Allow CanvasSkia to bind to an existing SkCanvas.

content/browser/renderer_host/render_widget_host_unittest.cc

 // Copyright (c) 2011 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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/renderer_host/backing_store.h"
@@ skipping 413 matching lines @@
   scoped_ptr<RenderWidgetHostView> view(
       RenderWidgetHostView::CreateViewForWidget(host_.get()));
   host_->SetView(view.get());
 
   // Create a checkerboard background to test with.
   gfx::CanvasSkia canvas(4, 4, true);
   canvas.FillRectInt(SK_ColorBLACK, 0, 0, 2, 2);
   canvas.FillRectInt(SK_ColorWHITE, 2, 0, 2, 2);
   canvas.FillRectInt(SK_ColorWHITE, 0, 2, 2, 2);
   canvas.FillRectInt(SK_ColorBLACK, 2, 2, 2, 2);
-  const SkBitmap& background = canvas.getDevice()->accessBitmap(false);
+  const SkBitmap& background =
+      canvas.sk_canvas()->getDevice()->accessBitmap(false);
 
   // Set the background and make sure we get back a copy.
   view->SetBackground(background);
   EXPECT_EQ(4, view->background().width());
   EXPECT_EQ(4, view->background().height());
   EXPECT_EQ(background.getSize(), view->background().getSize());
   EXPECT_TRUE(0 == memcmp(background.getPixels(),
                           view->background().getPixels(),
                           background.getSize()));
 
@@ skipping 276 matching lines @@
   // Start it again to ensure it still works.
   EXPECT_FALSE(host_->unresponsive_timer_fired());
   host_->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
 
   // Wait long enough for first timeout and see if it fired.
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
                                           new MessageLoop::QuitTask(), 10);
   MessageLoop::current()->Run();
   EXPECT_TRUE(host_->unresponsive_timer_fired());
 }