Support error handling for Surface readbacks

content/browser/media/capture/web_contents_video_capture_device_unittest.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/media/capture/web_contents_video_capture_device.h"
 
 #include "base/bind_helpers.h"
 #include "base/debug/debugger.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 233 matching lines @@
     // our special subclass which has mocked-out tab capture support.
     RenderWidgetHostView* old_view = GetView();
     SetView(new CaptureTestView(this, controller));
     delete old_view;
   }
 
   // TestRenderViewHost overrides.
   virtual void CopyFromBackingStore(
       const gfx::Rect& src_rect,
       const gfx::Size& accelerated_dst_size,
-      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      CopyFromCompositingSurfaceCallback& callback,
       const SkColorType color_type) OVERRIDE {
     gfx::Size size = controller_->GetCopyResultSize();
     SkColor color = controller_->GetSolidColor();
 
     // Although it's not necessary, use a PlatformBitmap here (instead of a
     // regular SkBitmap) to exercise possible threading issues.
     skia::PlatformBitmap output;
     EXPECT_TRUE(output.Allocate(size.width(), size.height(), false));
     {
       SkAutoLockPixels locker(output.GetBitmap());
       output.GetBitmap().eraseColor(color);
     }
-    callback.Run(true, output.GetBitmap());
+    callback.Run(true, output.GetBitmap(), content::READBACK_SUCCESS);
     controller_->SignalCopy();
   }
 
  private:
   CaptureTestSourceController* controller_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CaptureTestRenderViewHost);
 };
 
 #if defined(COMPILER_MSVC)
@@ skipping 577 matching lines @@
   source()->SetSolidColor(SK_ColorGREEN);
   ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorGREEN));
   source()->SetSolidColor(SK_ColorRED);
   ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorRED));
 
   device()->StopAndDeAllocate();
 }
 
 }  // namespace
 }  // namespace content