Implement WebKit::Platform::isThreadedCompositingEnabled()

webkit/support/test_webkit_platform_support.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/support/test_webkit_platform_support.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/metrics/stats_counters.h"
@@ skipping 54 matching lines @@
 #elif defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #endif
 
 using WebKit::WebLayerTreeViewImplForTesting;
 using WebKit::WebScriptController;
 
 TestWebKitPlatformSupport::TestWebKitPlatformSupport(bool unit_test_mode,
     WebKit::Platform* shadow_platform_delegate)
     : unit_test_mode_(unit_test_mode),
-      shadow_platform_delegate_(shadow_platform_delegate) {
+      shadow_platform_delegate_(shadow_platform_delegate),
+      threaded_compositing_enabled_(false) {
   v8::V8::SetCounterFunction(base::StatsTable::FindLocation);
 
   WebKit::initialize(this);
   WebKit::setLayoutTestMode(true);
   WebKit::WebSecurityPolicy::registerURLSchemeAsLocal(
       WebKit::WebString::fromUTF8("test-shell-resource"));
   WebKit::WebSecurityPolicy::registerURLSchemeAsNoAccess(
       WebKit::WebString::fromUTF8("test-shell-resource"));
   WebKit::WebSecurityPolicy::registerURLSchemeAsDisplayIsolated(
       WebKit::WebString::fromUTF8("test-shell-resource"));
@@ skipping 320 matching lines @@
     return NULL;
   return main_thread_contexts_->GrContext();
 }
 
 bool TestWebKitPlatformSupport::canAccelerate2dCanvas() {
   // We supply an OS-MESA based context for accelarated 2d
   // canvas, which should always work.
   return true;
 }
 
+bool TestWebKitPlatformSupport::isThreadedCompositingEnabled() {
+  return threaded_compositing_enabled_;
+}
+
 double TestWebKitPlatformSupport::audioHardwareSampleRate() {
   return 44100.0;
 }
 
 size_t TestWebKitPlatformSupport::audioHardwareBufferSize() {
   return 128;
 }
 
 WebKit::WebAudioDevice* TestWebKitPlatformSupport::createAudioDevice(
     size_t bufferSize, unsigned numberOfInputChannels,
@@ skipping 149 matching lines @@
   return view.release();
 }
 
 WebKit::WebLayerTreeView*
     TestWebKitPlatformSupport::createLayerTreeViewForTesting(
         TestViewType type) {
   DCHECK_EQ(TestViewTypeUnitTest, type);
   return createLayerTreeViewForTesting();
 }