Introduce PlatformBitmap, which is a minimal helper class that wraps an SkBitmap

content/browser/renderer_host/test_render_view_host.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 "content/browser/renderer_host/test_backing_store.h"
 #include "content/browser/dom_storage/dom_storage_context_impl.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
@@ skipping 101 matching lines @@
 
 BackingStore* TestRenderWidgetHostView::AllocBackingStore(
     const gfx::Size& size) {
   return new TestBackingStore(rwh_, size);
 }
 
 void TestRenderWidgetHostView::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,
     const base::Callback<void(bool)>& callback,
-    skia::PlatformCanvas* output) {
+    skia::PlatformBitmap* output) {
   callback.Run(false);
 }
 
 void TestRenderWidgetHostView::OnAcceleratedCompositingStateChange() {
 }
 
 void TestRenderWidgetHostView::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
 }
@@ skipping 247 matching lines @@
 
 TestRenderViewHost* RenderViewHostImplTestHarness::active_test_rvh() {
   return static_cast<TestRenderViewHost*>(active_rvh());
 }
 
 TestWebContents* RenderViewHostImplTestHarness::contents() {
   return static_cast<TestWebContents*>(web_contents());
 }
 
 }  // namespace content