Enable disabling WebCore::GraphicsContext in telemetry.

cc/trees/layer_tree_host_pixeltest_masks.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 "build/build_config.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/image_layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/test/layer_tree_pixel_test.h"
 #include "cc/test/pixel_comparator.h"
 
 #if !defined(OS_ANDROID)
 
 namespace cc {
 namespace {
 
 class LayerTreeHostMasksPixelTest : public LayerTreePixelTest {};
 
 class MaskContentLayerClient : public ContentLayerClient {
  public:
   MaskContentLayerClient() {}
   virtual ~MaskContentLayerClient() {}
 
   virtual void DidChangeLayerCanUseLCDText() OVERRIDE {}
 
   virtual bool FillsBoundsCompletely() const OVERRIDE { return false; }
 
-  virtual void PaintContents(SkCanvas* canvas,
-                             const gfx::Rect& rect,
-                             gfx::RectF* opaque_rect) OVERRIDE {
+  virtual void PaintContents(
+      SkCanvas* canvas,
+      const gfx::Rect& rect,
+      gfx::RectF* opaque_rect,
+      ContentLayerClient::GraphicsContextStatus
+          graphics_context_status = ContentLayerClient::GraphicsContextEnabled)

[Sami, 2014/05/01 16:32:53]

Ditto about default parameters.

[Stephen Chennney, 2014/05/01 19:12:26]

Done.

+      OVERRIDE {
     SkPaint paint;
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setStrokeWidth(SkIntToScalar(2));
     paint.setColor(SK_ColorWHITE);
 
     canvas->clear(SK_ColorTRANSPARENT);
     gfx::Rect inset_rect(rect);
     while (!inset_rect.IsEmpty()) {
       inset_rect.Inset(3, 3, 2, 2);
       canvas->drawRect(
@@ skipping 231 matching lines @@
   RunPixelTest(GL_WITH_BITMAP,
                background,
                base::FilePath(FILE_PATH_LITERAL(
                    "mask_of_replica_of_clipped_layer.png")));
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID