Update DEPS for 5239 branching

Change-Id: I6357eb82a6d57645931d002f3fac0206c15d9cc7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3830051
Bot-Commit: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/5239@{#1}
Cr-Branched-From: 8b1fa78-refs/heads/main@{#1034851}

DEPS

@@ -301,19 +301,19 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
-  'v8_revision': 'c99ead675a9634fb80f1e84ff55467618ac8e9b7',
+  'v8_revision': 'refs/heads/chromium/5239',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': '4c941149774f38dd7090747cf561d4cdc2c3bda2',
+  'angle_revision': 'refs/heads/chromium/5239',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
   'swiftshader_revision': '708ca9579181a8096193f68ad6c412a5fd302d5b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.
-  'pdfium_revision': 'e172d7c167c6128cf6b6b385c0952736aefe5210',
+  'pdfium_revision': 'refs/heads/chromium/5239',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling BoringSSL
   # and whatever else without interference from each other.
@@ -412,7 +412,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'dawn_revision': 'fe835738c565603e43612231312a8246e2007981',
+  'dawn_revision': 'refs/heads/chromium/5239',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
@@ -1621,7 +1621,7 @@ deps = {
   },
 
   'src/third_party/requests/src': {
-      'url': Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'refs/tags/v2.23.0',
+      'url': Var('chromium_git') + '/external/github.com/kennethreitz/requests.git' + '@' + 'c7e0fc087ceeadb8b4c84a0953a422c474093d6d',
       'condition': 'checkout_android',
   },
 
@@ -1693,7 +1693,7 @@ deps = {
       'dep_type': 'cipd',
   },
 
-  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@1a96e7007f49e93b018d1d203dbc61c1b1c33ad3',
+  'src/third_party/vulkan-deps': '{chromium_git}/vulkan-deps@refs/heads/chromium/5239',
 
   'src/third_party/vulkan_memory_allocator':
     Var('chromium_git') + '/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator.git' + '@' + 'ebe84bec02c041d28f902da0214bf442743fc907',
@@ -1732,7 +1732,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '8a9afc652513fae1a913f3db1648e5adc54239b1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'b787e26369eb8ed417e7a80a4fbe82847980f32a',
+    Var('webrtc_git') + '/src.git' + '@' + 'refs/branch-heads/5239',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),
@@ -1805,7 +1805,7 @@ deps = {
     Var('chromium_git') + '/v8/v8.git' + '@' +  Var('v8_revision'),
 
   'src-internal': {
-    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@ea244395c0a3d8129f7e3942a5de2d80f85d52e6',
+    'url': 'https://chrome-internal.googlesource.com/chrome/src-internal.git@refs/heads/chromium/5239',
     'condition': 'checkout_src_internal',
   },