Implement WebKitPlatformSupport::canAccelerate2dCanvas

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/file_util.h"
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 383 matching lines @@
               webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl());
       if (!context->Initialize(attributes, NULL))
         return NULL;
       return context.release();
     }
   }
   NOTREACHED();
   return NULL;
 }
 
+bool TestWebKitPlatformSupport::canAccelerate2dCanvas() {
+  // We supply an OS-MESA based context for accelarated 2d
+  // canvas, which should always work.
+  return true;
+}
+
 double TestWebKitPlatformSupport::audioHardwareSampleRate() {
   return 44100.0;
 }
 
 size_t TestWebKitPlatformSupport::audioHardwareBufferSize() {
   return 128;
 }
 
 WebKit::WebAudioDevice* TestWebKitPlatformSupport::createAudioDevice(
     size_t bufferSize, unsigned numberOfChannels, double sampleRate,
@@ skipping 37 matching lines @@
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return SimpleResourceLoaderBridge::Create(request_info);
 }
 
 webkit_glue::WebSocketStreamHandleBridge*
 TestWebKitPlatformSupport::CreateWebSocketBridge(
     WebKit::WebSocketStreamHandle* handle,
     webkit_glue::WebSocketStreamHandleDelegate* delegate) {
   return SimpleSocketStreamBridge::Create(handle, delegate);
 }