[fuchsia] Migrate from custom FuchsiaFontManager to SkFontMgr_fuchsia (…

…#10700)

Use Skia's own implementation of SkFontMgr for Fuchsia, for consistency with
other Skia clients on Fuchsia.

FL-290

ci/licenses_golden/licenses_flutter

@@ -897,9 +897,6 @@ FILE: ../../../flutter/shell/platform/fuchsia/flutter/compositor_context.cc
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/compositor_context.h
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/engine.cc
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/engine.h
-FILE: ../../../flutter/shell/platform/fuchsia/flutter/fuchsia_font_manager.cc
-FILE: ../../../flutter/shell/platform/fuchsia/flutter/fuchsia_font_manager.h
-FILE: ../../../flutter/shell/platform/fuchsia/flutter/fuchsia_font_manager_unittest.cc
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/isolate_configurator.cc
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/isolate_configurator.h
 FILE: ../../../flutter/shell/platform/fuchsia/flutter/kernel/extract_far.dart

shell/platform/fuchsia/flutter/BUILD.gn

@@ -56,8 +56,6 @@ template("flutter_runner") {
       "compositor_context.h",
       "engine.cc",
       "engine.h",
-      "fuchsia_font_manager.cc",
-      "fuchsia_font_manager.h",
       "isolate_configurator.cc",
       "isolate_configurator.h",
       "logging.h",
@@ -128,6 +126,7 @@ template("flutter_runner") {
              "$fuchsia_sdk_root/pkg:zx",
              "$fuchsia_sdk_root/pkg/lib/sys/cpp",
              "$fuchsia_sdk_root/pkg/lib/vfs/cpp",
+             "//third_party/skia",
              "//third_party/tonic",
            ] + extra_deps
 

shell/platform/fuchsia/flutter/engine.cc

@@ -14,11 +14,10 @@
 #include "flutter/runtime/dart_vm_lifecycle.h"
 #include "flutter/shell/common/rasterizer.h"
 #include "flutter/shell/common/run_configuration.h"
-#include "runtime/dart/utils/files.h"
-
-#include "fuchsia_font_manager.h"
 #include "platform_view.h"
+#include "runtime/dart/utils/files.h"
 #include "task_runner_adapter.h"
+#include "third_party/skia/include/ports/SkFontMgr_fuchsia.h"
 #include "thread.h"
 
 namespace flutter_runner {
@@ -275,7 +274,7 @@ Engine::Engine(Delegate& delegate,
 
         // Set default font manager.
         engine->GetFontCollection().GetFontCollection()->SetDefaultFontManager(
-            sk_make_sp<txt::FuchsiaFontManager>(std::move(sync_font_provider)));
+            SkFontMgr_New_Fuchsia(std::move(sync_font_provider)));
 
         if (engine->Run(std::move(run_configuration)) ==
             flutter::Engine::RunStatus::Failure) {