Delegate root layer scroll offset to android_webview.

content/renderer/gpu/input_handler_manager.h

 // 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.
 
 #ifndef CONTENT_RENDERER_GPU_INPUT_HANDLER_MANAGER_H_
 #define CONTENT_RENDERER_GPU_INPUT_HANDLER_MANAGER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "content/port/common/input_event_ack_state.h"
 #include "content/renderer/render_view_impl.h"
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace cc {
 class InputHandler;
+class LayerScrollOffsetDelegate;
 }
 
 namespace WebKit {
 class WebInputEvent;
 }
 
 namespace content {
 
 class InputHandlerWrapper;
 class InputHandlerManagerClient;
@@ skipping 34 matching lines @@
                    scoped_refptr<InputHandlerWrapper> > InputHandlerMap;
   InputHandlerMap input_handlers_;
 
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
   InputHandlerManagerClient* client_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_INPUT_HANDLER_MANAGER_H_