Enable disabling WebCore::GraphicsContext in telemetry.

cc/layers/picture_layer_unittest.cc

 // Copyright 2013 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 "cc/layers/picture_layer.h"
 
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/resources/resource_update_queue.h"
 #include "cc/test/fake_layer_tree_host.h"
 #include "cc/test/fake_picture_layer_impl.h"
 #include "cc/test/fake_proxy.h"
 #include "cc/test/gpu_rasterization_settings.h"
 #include "cc/test/hybrid_rasterization_settings.h"
 #include "cc/test/impl_side_painting_settings.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 class MockContentLayerClient : public ContentLayerClient {
  public:
-  virtual void PaintContents(SkCanvas* canvas,
-                             const gfx::Rect& clip,
-                             gfx::RectF* opaque) OVERRIDE {}
+  virtual void PaintContents(
+      SkCanvas* canvas,
+      const gfx::Rect& clip,
+      gfx::RectF* opaque,
+      ContentLayerClient::GraphicsContextStatus gc_status) OVERRIDE {}
   virtual void DidChangeLayerCanUseLCDText() OVERRIDE {}
   virtual bool FillsBoundsCompletely() const OVERRIDE {
     return false;
   };
 };
 
 TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
   MockContentLayerClient client;
   scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
   layer->SetBounds(gfx::Size(10, 10));
@@ skipping 107 matching lines @@
 
   // Veto gpu rasterization.
   PicturePile* pile = layer->GetPicturePileForTesting();
   EXPECT_TRUE(pile->is_suitable_for_gpu_rasterization());
   pile->SetUnsuitableForGpuRasterizationForTesting();
   EXPECT_FALSE(layer->ShouldUseGpuRasterization());
 }
 
 }  // namespace
 }  // namespace cc