Support error handling for Surface readbacks

content/browser/devtools/protocol/page_handler.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "content/browser/devtools/protocol/devtools_protocol_handler_impl.h"
+#include "content/public/browser/readback_types.h"
 
 class SkBitmap;
 
 namespace content {
 
 class RenderViewHostImpl;
 
 namespace devtools {
 namespace page {
 
@@ skipping 57 matching lines @@
       const std::string& security_origin,
       scoped_refptr<DevToolsProtocol::Command> command);
 
   Response SetColorPickerEnabled(bool enabled);
 
  private:
   void UpdateTouchEventEmulationState();
 
   void NotifyScreencastVisibility(bool visible);
   void InnerSwapCompositorFrame();
-  void ScreencastFrameCaptured(
-      const std::string& format,
-      int quality,
-      const cc::CompositorFrameMetadata& metadata,
-      bool success,
-      const SkBitmap& bitmap);
+  void ScreencastFrameCaptured(const std::string& format,
+                               int quality,
+                               const cc::CompositorFrameMetadata& metadata,
+                               const SkBitmap& bitmap,
+                               ReadbackResponse response);
 
   void ScreenshotCaptured(
       scoped_refptr<DevToolsProtocol::Command> command,
       const unsigned char* png_data,
       size_t png_size);
 
   void OnColorPicked(int r, int g, int b, int a);
 
   void QueryUsageAndQuotaCompleted(
       scoped_refptr<DevToolsProtocol::Command> command,
@@ skipping 20 matching lines @@
   base::WeakPtrFactory<PageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PageHandler);
 };
 
 }  // namespace page
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_