Support error handling for Surface readbacks

content/browser/devtools/protocol/page_handler.cc

 // 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.
 
 #include "content/browser/devtools/protocol/page_handler.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/bind.h"
@@ skipping 461 matching lines @@
                    screencast_quality_,
                    last_compositor_frame_metadata_),
         kN32_SkColorType);
   }
 }
 
 void PageHandler::ScreencastFrameCaptured(
     const std::string& format,
     int quality,
     const cc::CompositorFrameMetadata& metadata,
-    bool success,
-    const SkBitmap& bitmap) {
-  if (!success) {
+    const SkBitmap& bitmap,
+    const ReadbackResponse& response) {
+  if (response != READBACK_SUCCESS) {
     if (capture_retry_count_) {
       --capture_retry_count_;
       base::MessageLoop::current()->PostDelayedTask(
           FROM_HERE,
           base::Bind(&PageHandler::InnerSwapCompositorFrame,
                      weak_factory_.GetWeakPtr()),
           base::TimeDelta::FromMilliseconds(kFrameRateThresholdMs));
     }
     return;
   }
@@ skipping 102 matching lines @@
 
 void PageHandler::QueryUsageAndQuotaCompleted(
     scoped_refptr<DevToolsProtocol::Command> command,
     scoped_ptr<QueryUsageAndQuotaResponse> response_data) {
   client_->SendQueryUsageAndQuotaResponse(command, *response_data);
 }
 
 }  // namespace page
 }  // namespace devtools
 }  // namespace content