libchromiumcontent_patches.diff

diff --git a/patches/v8/007-backport_f19b889.patch b/patches/v8/007-backport_f19b889.patch
index da815fb..920fae9 100644
--- a/patches/v8/007-backport_f19b889.patch
+++ b/patches/v8/007-backport_f19b889.patch
@@ -113,93 +113,3 @@ index 3effb39f7c..a7666dfd42 100644
    void resetContextGroup(int contextGroupId) override;
    void idleStarted() override;
    void idleFinished() override;
-diff --git a/test/inspector/inspector-test.cc b/test/inspector/inspector-test.cc
-index 930d6c9477..767168b297 100644
---- a/test/inspector/inspector-test.cc
-+++ b/test/inspector/inspector-test.cc
-@@ -642,6 +642,9 @@ class InspectorExtension : public IsolateData::SetupGlobalTask {
-     inspector->Set(ToV8String(isolate, "fireContextDestroyed"),
-                    v8::FunctionTemplate::New(
-                        isolate, &InspectorExtension::FireContextDestroyed));
-+    inspector->Set(
-+        ToV8String(isolate, "freeContext"),
-+        v8::FunctionTemplate::New(isolate, &InspectorExtension::FreeContext));
-     inspector->Set(ToV8String(isolate, "addInspectedObject"),
-                    v8::FunctionTemplate::New(
-                        isolate, &InspectorExtension::AddInspectedObject));
-@@ -683,6 +686,12 @@ class InspectorExtension : public IsolateData::SetupGlobalTask {
-     data->FireContextDestroyed(context);
-   }
- 
-+  static void FreeContext(const v8::FunctionCallbackInfo<v8::Value>& args) {
-+    v8::Local<v8::Context> context = args.GetIsolate()->GetCurrentContext();
-+    IsolateData* data = IsolateData::FromContext(context);
-+    data->FreeContext(context);
-+  }
-+
-   static void AddInspectedObject(
-       const v8::FunctionCallbackInfo<v8::Value>& args) {
-     if (args.Length() != 2 || !args[0]->IsInt32()) {
-diff --git a/test/inspector/isolate-data.cc b/test/inspector/isolate-data.cc
-index 74c367a5e9..bd97a927e8 100644
---- a/test/inspector/isolate-data.cc
-+++ b/test/inspector/isolate-data.cc
-@@ -303,6 +303,13 @@ void IsolateData::FireContextDestroyed(v8::Local<v8::Context> context) {
-   inspector_->contextDestroyed(context);
- }
- 
-+void IsolateData::FreeContext(v8::Local<v8::Context> context) {
-+  int context_group_id = GetContextGroupId(context);
-+  auto it = contexts_.find(context_group_id);
-+  if (it == contexts_.end()) return;
-+  contexts_.erase(it);
-+}
-+
- std::vector<int> IsolateData::GetSessionIds(int context_group_id) {
-   std::vector<int> result;
-   for (auto& it : sessions_) {
-diff --git a/test/inspector/isolate-data.h b/test/inspector/isolate-data.h
-index a94316ff9b..c96a8d1bbd 100644
---- a/test/inspector/isolate-data.h
-+++ b/test/inspector/isolate-data.h
-@@ -68,6 +68,7 @@ class IsolateData : public v8_inspector::V8InspectorClient {
-   void DumpAsyncTaskStacksStateForTest();
-   void FireContextCreated(v8::Local<v8::Context> context, int context_group_id);
-   void FireContextDestroyed(v8::Local<v8::Context> context);
-+  void FreeContext(v8::Local<v8::Context> context);
- 
-  private:
-   struct VectorCompare {
-diff --git a/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt b/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt
-new file mode 100644
-index 0000000000..9a5e1708c1
---- /dev/null
-+++ b/test/inspector/runtime/context-destroyed-on-context-collected-expected.txt
-@@ -0,0 +1,7 @@
-+Tests that contextDesrtoyed nofitication is fired when context is collected.
-+{
-+    method : Runtime.executionContextDestroyed
-+    params : {
-+        executionContextId : <executionContextId>
-+    }
-+}
-diff --git a/test/inspector/runtime/context-destroyed-on-context-collected.js b/test/inspector/runtime/context-destroyed-on-context-collected.js
-new file mode 100644
-index 0000000000..9f715937c6
---- /dev/null
-+++ b/test/inspector/runtime/context-destroyed-on-context-collected.js
-@@ -0,0 +1,14 @@
-+// Copyright 2017 the V8 project authors. All rights reserved.
-+// Use of this source code is governed by a BSD-style license that can be
-+// found in the LICENSE file.
-+
-+let {session, contextGroup, Protocol} =
-+  InspectorTest.start('Tests that contextDesrtoyed nofitication is fired when context is collected.');
-+
-+(async function test() {
-+  await Protocol.Runtime.enable();
-+  Protocol.Runtime.onExecutionContextDestroyed(InspectorTest.logMessage);
-+  contextGroup.addScript('inspector.freeContext()');
-+  await Protocol.HeapProfiler.collectGarbage();
-+  InspectorTest.completeTest();
-+})();
diff --git a/patches/v8/009-backport_bca8409.patch b/patches/v8/009-backport_bca8409.patch
index 0b806d1..bb754f4 100644
--- a/patches/v8/009-backport_bca8409.patch
+++ b/patches/v8/009-backport_bca8409.patch
@@ -136,25 +136,3 @@ index 9ea365e405..8460fa7841 100644
      base::Semaphore pending_sweeper_tasks_semaphore_;
      base::Mutex mutex_;
      SweptList swept_list_[kAllocationSpaces];
-diff --git a/test/unittests/cancelable-tasks-unittest.cc b/test/unittests/cancelable-tasks-unittest.cc
-index eb5dd91589..d0462877f5 100644
---- a/test/unittests/cancelable-tasks-unittest.cc
-+++ b/test/unittests/cancelable-tasks-unittest.cc
-@@ -180,7 +180,7 @@ TEST(CancelableTask, RemoveBeforeCancelAndWait) {
-   ResultType result1 = 0;
-   TestTask* task1 = new TestTask(&manager, &result1, TestTask::kCheckNotRun);
-   ThreadedRunner runner1(task1);
--  uint32_t id = task1->id();
-+  CancelableTaskManager::Id id = task1->id();
-   EXPECT_EQ(id, 1u);
-   EXPECT_TRUE(manager.TryAbort(id));
-   runner1.Start();
-@@ -195,7 +195,7 @@ TEST(CancelableTask, RemoveAfterCancelAndWait) {
-   ResultType result1 = 0;
-   TestTask* task1 = new TestTask(&manager, &result1);
-   ThreadedRunner runner1(task1);
--  uint32_t id = task1->id();
-+  CancelableTaskManager::Id id = task1->id();
-   EXPECT_EQ(id, 1u);
-   runner1.Start();
-   runner1.Join();
diff --git a/patches/v8/010-backport_f9c4b7a.patch b/patches/v8/010-backport_f9c4b7a.patch
index 9f0c9d0..efc97d7 100644
--- a/patches/v8/010-backport_f9c4b7a.patch
+++ b/patches/v8/010-backport_f9c4b7a.patch
@@ -194,15 +194,3 @@ index 5b1e26e1d0..48f5b30bd2 100644
  
    DumpAndResetStats();
  
-diff --git a/test/cctest/heap/test-spaces.cc b/test/cctest/heap/test-spaces.cc
-index 26b2fdd193..b99913ab80 100644
---- a/test/cctest/heap/test-spaces.cc
-+++ b/test/cctest/heap/test-spaces.cc
-@@ -370,6 +370,7 @@ TEST(NewSpace) {
-   }
- 
-   new_space.TearDown();
-+  memory_allocator->unmapper()->WaitUntilCompleted();
-   memory_allocator->TearDown();
-   delete memory_allocator;
- }
diff --git a/patches/v8/013-revert_abi_breaking_changes_in_6_1.patch b/patches/v8/013-revert_abi_breaking_changes_in_6_1.patch
index 7153632..654c702 100644
--- a/patches/v8/013-revert_abi_breaking_changes_in_6_1.patch
+++ b/patches/v8/013-revert_abi_breaking_changes_in_6_1.patch
@@ -516,25 +516,6 @@ index 48f5b30bd2..8e517982ac 100644
  
    time_millis_at_init_ = heap_.MonotonicallyIncreasingTimeInMs();
  
-diff --git a/src/trap-handler/handler-inside.cc b/src/trap-handler/handler-inside.cc
-index a51bd9427f..4a748b8175 100644
---- a/src/trap-handler/handler-inside.cc
-+++ b/src/trap-handler/handler-inside.cc
-@@ -36,13 +36,13 @@ namespace trap_handler {
- 
- namespace {
- 
-+#if V8_TRAP_HANDLER_SUPPORTED
- bool IsKernelGeneratedSignal(siginfo_t* info) {
-   return info->si_code > 0 && info->si_code != SI_USER &&
-          info->si_code != SI_QUEUE && info->si_code != SI_TIMER &&
-          info->si_code != SI_ASYNCIO && info->si_code != SI_MESGQ;
- }
- 
--#if V8_TRAP_HANDLER_SUPPORTED
- class SigUnmaskStack {
-  public:
-   explicit SigUnmaskStack(sigset_t sigs) {
 diff --git a/src/trap-handler/trap-handler.h b/src/trap-handler/trap-handler.h
 index ed9459918b..73a147f0cb 100644
 --- a/src/trap-handler/trap-handler.h
@@ -552,167 +533,3 @@ index ed9459918b..73a147f0cb 100644
  
  struct ProtectedInstructionData {
    // The offset of this instruction from the start of its code object.
-diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
-index 6781d3de6a..d9608292e8 100644
---- a/test/cctest/heap/test-heap.cc
-+++ b/test/cctest/heap/test-heap.cc
-@@ -4806,7 +4806,7 @@ HEAP_TEST(Regress538257) {
-   FLAG_manual_evacuation_candidates_selection = true;
-   v8::Isolate::CreateParams create_params;
-   // Set heap limits.
--  create_params.constraints.set_max_semi_space_size_in_kb(1024);
-+  create_params.constraints.set_max_semi_space_size(1);
-   create_params.constraints.set_max_old_space_size(6);
-   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
-   v8::Isolate* isolate = v8::Isolate::New(create_params);
-diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
-index 2d64279bf8..aa4cba5a60 100644
---- a/test/cctest/test-api.cc
-+++ b/test/cctest/test-api.cc
-@@ -3453,16 +3453,10 @@ class ScopedArrayBufferContents {
-  public:
-   explicit ScopedArrayBufferContents(const v8::ArrayBuffer::Contents& contents)
-       : contents_(contents) {}
--  ~ScopedArrayBufferContents() { free(contents_.AllocationBase()); }
-+  ~ScopedArrayBufferContents() { free(contents_.Data()); }
-   void* Data() const { return contents_.Data(); }
-   size_t ByteLength() const { return contents_.ByteLength(); }
- 
--  void* AllocationBase() const { return contents_.AllocationBase(); }
--  size_t AllocationLength() const { return contents_.AllocationLength(); }
--  v8::ArrayBuffer::Allocator::AllocationMode AllocationMode() const {
--    return contents_.AllocationMode();
--  }
--
-  private:
-   const v8::ArrayBuffer::Contents contents_;
- };
-@@ -3738,43 +3732,15 @@ THREADED_TEST(ArrayBuffer_NeuteringScript) {
-   CheckDataViewIsNeutered(dv);
- }
- 
--THREADED_TEST(ArrayBuffer_AllocationInformation) {
--  LocalContext env;
--  v8::Isolate* isolate = env->GetIsolate();
--  v8::HandleScope handle_scope(isolate);
--
--  const size_t ab_size = 1024;
--  Local<v8::ArrayBuffer> ab = v8::ArrayBuffer::New(isolate, ab_size);
--  ScopedArrayBufferContents contents(ab->Externalize());
--
--  // Array buffers should have normal allocation mode.
--  CHECK(contents.AllocationMode() ==
--        v8::ArrayBuffer::Allocator::AllocationMode::kNormal);
--  // The allocation must contain the buffer (normally they will be equal, but
--  // this is not required by the contract).
--  CHECK_NOT_NULL(contents.AllocationBase());
--  const uintptr_t alloc =
--      reinterpret_cast<uintptr_t>(contents.AllocationBase());
--  const uintptr_t data = reinterpret_cast<uintptr_t>(contents.Data());
--  CHECK_LE(alloc, data);
--  CHECK_LE(data + contents.ByteLength(), alloc + contents.AllocationLength());
--}
--
- class ScopedSharedArrayBufferContents {
-  public:
-   explicit ScopedSharedArrayBufferContents(
-       const v8::SharedArrayBuffer::Contents& contents)
-       : contents_(contents) {}
--  ~ScopedSharedArrayBufferContents() { free(contents_.AllocationBase()); }
-+  ~ScopedSharedArrayBufferContents() { free(contents_.Data()); }
-   void* Data() const { return contents_.Data(); }
-   size_t ByteLength() const { return contents_.ByteLength(); }
- 
--  void* AllocationBase() const { return contents_.AllocationBase(); }
--  size_t AllocationLength() const { return contents_.AllocationLength(); }
--  v8::ArrayBuffer::Allocator::AllocationMode AllocationMode() const {
--    return contents_.AllocationMode();
--  }
--
-  private:
-   const v8::SharedArrayBuffer::Contents contents_;
- };
-@@ -20361,7 +20327,7 @@ class InitDefaultIsolateThread : public v8::base::Thread {
-     create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
-     switch (testCase_) {
-       case SetResourceConstraints: {
--        create_params.constraints.set_max_semi_space_size_in_kb(1024);
-+        create_params.constraints.set_max_semi_space_size(1);
-         create_params.constraints.set_max_old_space_size(6);
-         break;
-       }
-@@ -26057,29 +26023,6 @@ TEST(FutexInterruption) {
-   timeout_thread.Join();
- }
- 
--THREADED_TEST(SharedArrayBuffer_AllocationInformation) {
--  i::FLAG_harmony_sharedarraybuffer = true;
--  LocalContext env;
--  v8::Isolate* isolate = env->GetIsolate();
--  v8::HandleScope handle_scope(isolate);
--
--  const size_t ab_size = 1024;
--  Local<v8::SharedArrayBuffer> ab =
--      v8::SharedArrayBuffer::New(isolate, ab_size);
--  ScopedSharedArrayBufferContents contents(ab->Externalize());
--
--  // Array buffers should have normal allocation mode.
--  CHECK(contents.AllocationMode() ==
--        v8::ArrayBuffer::Allocator::AllocationMode::kNormal);
--  // The allocation must contain the buffer (normally they will be equal, but
--  // this is not required by the contract).
--  CHECK_NOT_NULL(contents.AllocationBase());
--  const uintptr_t alloc =
--      reinterpret_cast<uintptr_t>(contents.AllocationBase());
--  const uintptr_t data = reinterpret_cast<uintptr_t>(contents.Data());
--  CHECK_LE(alloc, data);
--  CHECK_LE(data + contents.ByteLength(), alloc + contents.AllocationLength());
--}
- 
- static int nb_uncaught_exception_callback_calls = 0;
- 
-diff --git a/test/cctest/test-strings.cc b/test/cctest/test-strings.cc
-index 73e9c58596..d98a4819b5 100644
---- a/test/cctest/test-strings.cc
-+++ b/test/cctest/test-strings.cc
-@@ -1301,7 +1301,7 @@ TEST(SliceFromSlice) {
- UNINITIALIZED_TEST(OneByteArrayJoin) {
-   v8::Isolate::CreateParams create_params;
-   // Set heap limits.
--  create_params.constraints.set_max_semi_space_size_in_kb(1024);
-+  create_params.constraints.set_max_semi_space_size(1);
-   create_params.constraints.set_max_old_space_size(7);
-   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
-   v8::Isolate* isolate = v8::Isolate::New(create_params);
-diff --git a/test/unittests/heap/heap-unittest.cc b/test/unittests/heap/heap-unittest.cc
-index 6262eff210..8dab181ca7 100644
---- a/test/unittests/heap/heap-unittest.cc
-+++ b/test/unittests/heap/heap-unittest.cc
-@@ -63,14 +63,19 @@ TEST(Heap, MaxHeapGrowingFactor) {
- }
- 
- TEST(Heap, SemiSpaceSize) {
--  const size_t KB = static_cast<size_t>(i::KB);
--  const size_t MB = static_cast<size_t>(i::MB);
--  const size_t pm = i::Heap::kPointerMultiplier;
--  ASSERT_EQ(1u * pm * MB / 2, i::Heap::ComputeMaxSemiSpaceSize(0u) * KB);
--  ASSERT_EQ(1u * pm * MB / 2, i::Heap::ComputeMaxSemiSpaceSize(512u * MB) * KB);
--  ASSERT_EQ(3u * pm * MB, i::Heap::ComputeMaxSemiSpaceSize(1024u * MB) * KB);
--  ASSERT_EQ(8u * pm * MB, i::Heap::ComputeMaxSemiSpaceSize(2024u * MB) * KB);
--  ASSERT_EQ(8u * pm * MB, i::Heap::ComputeMaxSemiSpaceSize(4095u * MB) * KB);
-+  uint64_t configurations[][2] = {
-+      {0, 1 * i::Heap::kPointerMultiplier},
-+      {512 * i::MB, 1 * i::Heap::kPointerMultiplier},
-+      {1 * i::GB, 3 * i::Heap::kPointerMultiplier},
-+      {2 * static_cast<uint64_t>(i::GB), i::Heap::kMaxSemiSpaceSize},
-+      {4 * static_cast<uint64_t>(i::GB), i::Heap::kMaxSemiSpaceSize},
-+      {8 * static_cast<uint64_t>(i::GB), i::Heap::kMaxSemiSpaceSize}};
-+
-+  for (auto configuration : configurations) {
-+    ASSERT_EQ(configuration[1],
-+              static_cast<uint64_t>(
-+                  i::Heap::ComputeMaxSemiSpaceSize(configuration[0])));
-+  }
- }
- 
- TEST(Heap, OldGenerationSize) {
diff --git a/patches/v8/015-backport_9b21865822243.patch b/patches/v8/015-backport_9b21865822243.patch
index 98164ca..e6769e0 100644
--- a/patches/v8/015-backport_9b21865822243.patch
+++ b/patches/v8/015-backport_9b21865822243.patch
@@ -331,81 +331,4 @@ index 44ef96b064..2ea58d886b 100644
 +  std::vector<GCCallbackTuple> gc_prologue_callbacks_;
  
    GetExternallyAllocatedMemoryInBytesCallback external_memory_callback_;
- 
-diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
-index aa4cba5a60..06ce7c565e 100644
---- a/test/cctest/test-api.cc
-+++ b/test/cctest/test-api.cc
-@@ -19592,6 +19592,19 @@ void EpilogueCallbackSecond(v8::Isolate* isolate,
-   ++epilogue_call_count_second;
- }
- 
-+void PrologueCallbackNew(v8::Isolate* isolate, v8::GCType,
-+                         v8::GCCallbackFlags flags, void* data) {
-+  CHECK_EQ(flags, v8::kNoGCCallbackFlags);
-+  CHECK_EQ(gc_callbacks_isolate, isolate);
-+  ++*static_cast<int*>(data);
-+}
-+
-+void EpilogueCallbackNew(v8::Isolate* isolate, v8::GCType,
-+                         v8::GCCallbackFlags flags, void* data) {
-+  CHECK_EQ(flags, v8::kNoGCCallbackFlags);
-+  CHECK_EQ(gc_callbacks_isolate, isolate);
-+  ++*static_cast<int*>(data);
-+}
- 
- void PrologueCallbackAlloc(v8::Isolate* isolate,
-                            v8::GCType,
-@@ -19666,6 +19679,52 @@ TEST(GCCallbacksOld) {
-   CHECK_EQ(2, epilogue_call_count_second);
- }
- 
-+TEST(GCCallbacksWithData) {
-+  LocalContext context;
-+
-+  gc_callbacks_isolate = context->GetIsolate();
-+  int prologue1 = 0;
-+  int epilogue1 = 0;
-+  int prologue2 = 0;
-+  int epilogue2 = 0;
-+
-+  context->GetIsolate()->AddGCPrologueCallback(PrologueCallbackNew, &prologue1);
-+  context->GetIsolate()->AddGCEpilogueCallback(EpilogueCallbackNew, &epilogue1);
-+  CHECK_EQ(0, prologue1);
-+  CHECK_EQ(0, epilogue1);
-+  CHECK_EQ(0, prologue2);
-+  CHECK_EQ(0, epilogue2);
-+  CcTest::CollectAllGarbage();
-+  CHECK_EQ(1, prologue1);
-+  CHECK_EQ(1, epilogue1);
-+  CHECK_EQ(0, prologue2);
-+  CHECK_EQ(0, epilogue2);
-+  context->GetIsolate()->AddGCPrologueCallback(PrologueCallbackNew, &prologue2);
-+  context->GetIsolate()->AddGCEpilogueCallback(EpilogueCallbackNew, &epilogue2);
-+  CcTest::CollectAllGarbage();
-+  CHECK_EQ(2, prologue1);
-+  CHECK_EQ(2, epilogue1);
-+  CHECK_EQ(1, prologue2);
-+  CHECK_EQ(1, epilogue2);
-+  context->GetIsolate()->RemoveGCPrologueCallback(PrologueCallbackNew,
-+                                                  &prologue1);
-+  context->GetIsolate()->RemoveGCEpilogueCallback(EpilogueCallbackNew,
-+                                                  &epilogue1);
-+  CcTest::CollectAllGarbage();
-+  CHECK_EQ(2, prologue1);
-+  CHECK_EQ(2, epilogue1);
-+  CHECK_EQ(2, prologue2);
-+  CHECK_EQ(2, epilogue2);
-+  context->GetIsolate()->RemoveGCPrologueCallback(PrologueCallbackNew,
-+                                                  &prologue2);
-+  context->GetIsolate()->RemoveGCEpilogueCallback(EpilogueCallbackNew,
-+                                                  &epilogue2);
-+  CcTest::CollectAllGarbage();
-+  CHECK_EQ(2, prologue1);
-+  CHECK_EQ(2, epilogue1);
-+  CHECK_EQ(2, prologue2);
-+  CHECK_EQ(2, epilogue2);
-+}
- 
- TEST(GCCallbacks) {
-   LocalContext context;
+
diff --git a/patches/v8/017-backport_163d360.patch b/patches/v8/017-backport_163d360.patch
index 5906deb..94c3e40 100644
--- a/patches/v8/017-backport_163d360.patch
+++ b/patches/v8/017-backport_163d360.patch
@@ -142,61 +142,3 @@ index f275a4d518..798ef89ec1 100644
        chunk->ResetProgressBar();
        MarkingState::Internal(chunk).SetLiveBytes(0);
      }
-diff --git a/test/cctest/heap/test-heap.cc b/test/cctest/heap/test-heap.cc
-index d9608292e8..a2273d2d8c 100644
---- a/test/cctest/heap/test-heap.cc
-+++ b/test/cctest/heap/test-heap.cc
-@@ -6237,6 +6237,53 @@ HEAP_TEST(Regress5831) {
-   CHECK(chunk->NeverEvacuate());
- }
- 
-+TEST(Regress6800) {
-+  CcTest::InitializeVM();
-+  Isolate* isolate = CcTest::i_isolate();
-+  HandleScope handle_scope(isolate);
-+
-+  const int kRootLength = 1000;
-+  Handle<FixedArray> root =
-+      isolate->factory()->NewFixedArray(kRootLength, TENURED);
-+  {
-+    HandleScope inner_scope(isolate);
-+    Handle<FixedArray> new_space_array = isolate->factory()->NewFixedArray(1);
-+    for (int i = 0; i < kRootLength; i++) {
-+      root->set(i, *new_space_array);
-+    }
-+    for (int i = 0; i < kRootLength; i++) {
-+      root->set(i, CcTest::heap()->undefined_value());
-+    }
-+  }
-+  CcTest::CollectGarbage(NEW_SPACE);
-+  CHECK_EQ(0, RememberedSet<OLD_TO_NEW>::NumberOfPreFreedEmptyBuckets(
-+                  MemoryChunk::FromAddress(root->address())));
-+}
-+
-+TEST(Regress6800LargeObject) {
-+  CcTest::InitializeVM();
-+  Isolate* isolate = CcTest::i_isolate();
-+  HandleScope handle_scope(isolate);
-+
-+  const int kRootLength = i::kMaxRegularHeapObjectSize / kPointerSize;
-+  Handle<FixedArray> root =
-+      isolate->factory()->NewFixedArray(kRootLength, TENURED);
-+  CcTest::heap()->lo_space()->Contains(*root);
-+  {
-+    HandleScope inner_scope(isolate);
-+    Handle<FixedArray> new_space_array = isolate->factory()->NewFixedArray(1);
-+    for (int i = 0; i < kRootLength; i++) {
-+      root->set(i, *new_space_array);
-+    }
-+    for (int i = 0; i < kRootLength; i++) {
-+      root->set(i, CcTest::heap()->undefined_value());
-+    }
-+  }
-+  CcTest::CollectGarbage(OLD_SPACE);
-+  CHECK_EQ(0, RememberedSet<OLD_TO_NEW>::NumberOfPreFreedEmptyBuckets(
-+                  MemoryChunk::FromAddress(root->address())));
-+}
-+
- HEAP_TEST(RegressMissingWriteBarrierInAllocate) {
-   if (!FLAG_incremental_marking) return;
-   FLAG_black_allocation = true;
diff --git a/patches/v8/023-backport_b1cd96e.patch b/patches/v8/023-backport_b1cd96e.patch
index d40453d..140f8e5 100644
--- a/patches/v8/023-backport_b1cd96e.patch
+++ b/patches/v8/023-backport_b1cd96e.patch
@@ -24,121 +24,3 @@ index 03bf57cf7d..7356cb48d2 100644
    if (!maxAsyncCallStackDepth) allAsyncTasksCanceled();
  }
 
-diff --git a/test/inspector/debugger/max-async-call-stack-depth-changed-expected.txt b/test/inspector/debugger/max-async-call-stack-depth-changed-expected.txt
-new file mode 100644
-index 0000000000..0f94b592e0
---- /dev/null
-+++ b/test/inspector/debugger/max-async-call-stack-depth-changed-expected.txt
-@@ -0,0 +1,5 @@
-+Tests for max async call stack depth changed.
-+maxAsyncCallStackDepthChanged: 8
-+maxAsyncCallStackDepthChanged: 0
-+maxAsyncCallStackDepthChanged: 8
-+maxAsyncCallStackDepthChanged: 0
-diff --git a/test/inspector/debugger/max-async-call-stack-depth-changed.js b/test/inspector/debugger/max-async-call-stack-depth-changed.js
-new file mode 100644
-index 0000000000..2d58539810
---- /dev/null
-+++ b/test/inspector/debugger/max-async-call-stack-depth-changed.js
-@@ -0,0 +1,16 @@
-+// Copyright 2017 the V8 project authors. All rights reserved.
-+// Use of this source code is governed by a BSD-style license that can be
-+// found in the LICENSE file.
-+
-+let {session, contextGroup, Protocol} =
-+    InspectorTest.start('Tests for max async call stack depth changed.');
-+
-+(async function test(){
-+  utils.setLogMaxAsyncCallStackDepthChanged(true);
-+  await Protocol.Debugger.enable();
-+  await Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 8});
-+  await Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 0});
-+  await Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 8});
-+  await Protocol.Debugger.disable();
-+  InspectorTest.completeTest();
-+})();
-diff --git a/test/inspector/inspector-test.cc b/test/inspector/inspector-test.cc
-index 767168b297..4c133cee1f 100644
---- a/test/inspector/inspector-test.cc
-+++ b/test/inspector/inspector-test.cc
-@@ -299,6 +299,10 @@ class UtilsExtension : public IsolateData::SetupGlobalTask {
-     utils->Set(ToV8String(isolate, "setLogConsoleApiMessageCalls"),
-                v8::FunctionTemplate::New(
-                    isolate, &UtilsExtension::SetLogConsoleApiMessageCalls));
-+    utils->Set(
-+        ToV8String(isolate, "setLogMaxAsyncCallStackDepthChanged"),
-+        v8::FunctionTemplate::New(
-+            isolate, &UtilsExtension::SetLogMaxAsyncCallStackDepthChanged));
-     utils->Set(ToV8String(isolate, "createContextGroup"),
-                v8::FunctionTemplate::New(isolate,
-                                          &UtilsExtension::CreateContextGroup));
-@@ -485,6 +489,17 @@ class UtilsExtension : public IsolateData::SetupGlobalTask {
-         args[0].As<v8::Boolean>()->Value());
-   }
-
-+  static void SetLogMaxAsyncCallStackDepthChanged(
-+      const v8::FunctionCallbackInfo<v8::Value>& args) {
-+    if (args.Length() != 1 || !args[0]->IsBoolean()) {
-+      fprintf(stderr,
-+              "Internal error: setLogMaxAsyncCallStackDepthChanged(bool).");
-+      Exit();
-+    }
-+    backend_runner_->data()->SetLogMaxAsyncCallStackDepthChanged(
-+        args[0].As<v8::Boolean>()->Value());
-+  }
-+
-   static void CreateContextGroup(
-       const v8::FunctionCallbackInfo<v8::Value>& args) {
-     if (args.Length() != 0) {
-diff --git a/test/inspector/isolate-data.cc b/test/inspector/isolate-data.cc
-index bd97a927e8..2e9a64f66d 100644
---- a/test/inspector/isolate-data.cc
-+++ b/test/inspector/isolate-data.cc
-@@ -355,6 +355,10 @@ void IsolateData::SetLogConsoleApiMessageCalls(bool log) {
-   log_console_api_message_calls_ = log;
- }
-
-+void IsolateData::SetLogMaxAsyncCallStackDepthChanged(bool log) {
-+  log_max_async_call_stack_depth_changed_ = log;
-+}
-+
- v8::MaybeLocal<v8::Value> IsolateData::memoryInfo(v8::Isolate* isolate,
-                                                   v8::Local<v8::Context>) {
-   if (memory_info_.IsEmpty()) return v8::MaybeLocal<v8::Value>();
-@@ -381,3 +385,8 @@ void IsolateData::consoleAPIMessage(int contextGroupId,
-   Print(isolate_, stack->toString()->string());
-   fprintf(stdout, "\n");
- }
-+
-+void IsolateData::maxAsyncCallStackDepthChanged(int depth) {
-+  if (!log_max_async_call_stack_depth_changed_) return;
-+  fprintf(stdout, "maxAsyncCallStackDepthChanged: %d\n", depth);
-+}
-diff --git a/test/inspector/isolate-data.h b/test/inspector/isolate-data.h
-index c96a8d1bbd..af2bf0ef1e 100644
---- a/test/inspector/isolate-data.h
-+++ b/test/inspector/isolate-data.h
-@@ -64,6 +64,7 @@ class IsolateData : public v8_inspector::V8InspectorClient {
-   void SetCurrentTimeMS(double time);
-   void SetMemoryInfo(v8::Local<v8::Value> memory_info);
-   void SetLogConsoleApiMessageCalls(bool log);
-+  void SetLogMaxAsyncCallStackDepthChanged(bool log);
-   void SetMaxAsyncTaskStacksForTest(int limit);
-   void DumpAsyncTaskStacksStateForTest();
-   void FireContextCreated(v8::Local<v8::Context> context, int context_group_id);
-@@ -105,6 +106,7 @@ class IsolateData : public v8_inspector::V8InspectorClient {
-                          const v8_inspector::StringView& url,
-                          unsigned lineNumber, unsigned columnNumber,
-                          v8_inspector::V8StackTrace*) override;
-+  void maxAsyncCallStackDepthChanged(int depth) override;
-
-   TaskRunner* task_runner_;
-   SetupGlobalTasks setup_global_tasks_;
-@@ -122,6 +124,7 @@ class IsolateData : public v8_inspector::V8InspectorClient {
-   bool current_time_set_ = false;
-   double current_time_ = 0.0;
-   bool log_console_api_message_calls_ = false;
-+  bool log_max_async_call_stack_depth_changed_ = false;
-
-   DISALLOW_COPY_AND_ASSIGN(IsolateData);
- };
diff --git a/patches/v8/025-cherry_pick_cc55747.patch b/patches/v8/025-cherry_pick_cc55747.patch
deleted file mode 100644
index b8c7003..0000000
--- a/patches/v8/025-cherry_pick_cc55747.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/test/message/testcfg.py b/test/message/testcfg.py
-index 0576458af2..1bbb2b16d8 100644
---- a/test/message/testcfg.py
-+++ b/test/message/testcfg.py
-@@ -107,7 +107,7 @@ class MessageTestSuite(testsuite.TestSuite):
-         expected_lines, actual_lines, fillvalue=''):
-       pattern = re.escape(expected.rstrip() % env)
-       pattern = pattern.replace("\\*", ".*")
--      pattern = pattern.replace("\\{NUMBER\\}", "\d(?:\.\d*)?")
-+      pattern = pattern.replace("\\{NUMBER\\}", "\d+(?:\.\d*)?")
-       pattern = "^%s$" % pattern
-       if not re.match(pattern, actual):
-         return True