Support error handling for Surface readbacks

content/browser/android/content_readback_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_ANDROID_CONTENT_READBACK_HANDLER_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_READBACK_HANDLER_H_
 
 #include <jni.h>
 
 #include "base/android/jni_weak_ref.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
+#include "content/public/browser/readback_types.h"
 
 class SkBitmap;
 
 namespace cc {
 class CopyOutputResult;
 }
 
 namespace content {
 
 // Native side of the ContentReadbackHandler.java, which issues content
@@ skipping 18 matching lines @@
                         jobject content_view_core);
   void GetCompositorBitmap(JNIEnv* env,
                            jobject obj,
                            jint readback_id,
                            jlong native_window_android);
 
  private:
   virtual ~ContentReadbackHandler();
 
   void OnFinishReadback(int readback_id,
-                        bool success,
-                        const SkBitmap& bitmap);
+                        const SkBitmap& bitmap,
+                        ReadbackResponse response);
 
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
   base::WeakPtrFactory<ContentReadbackHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentReadbackHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_READBACK_HANDLER_H_