Revert of Move compositor InputHandler from RenderViewImpl to RenderWidget.

content/renderer/input/input_handler_manager.h

 // Copyright 2013 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_INPUT_INPUT_HANDLER_MANAGER_H_
 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_
 
 #include <unordered_map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 44 matching lines @@
   InputHandlerManager(
       const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       InputHandlerManagerClient* client,
       SynchronousInputHandlerProxyClient* sync_handler_client,
       blink::scheduler::RendererScheduler* renderer_scheduler);
   virtual ~InputHandlerManager();
 
   // Callable from the main thread only.
   void AddInputHandler(int routing_id,
                        const base::WeakPtr<cc::InputHandler>& input_handler,
-                       const base::WeakPtr<RenderWidget>& render_widget,
+                       const base::WeakPtr<RenderViewImpl>& render_view_impl,
                        bool enable_smooth_scrolling);
 
   void RegisterRoutingID(int routing_id);
   void UnregisterRoutingID(int routing_id);
 
   void ObserveGestureEventAndResultOnMainThread(
       int routing_id,
       const blink::WebGestureEvent& gesture_event,
       const cc::InputHandlerScrollResult& scroll_result);
 
@@ skipping 33 matching lines @@
       int routing_id,
       blink::WebScopedInputEvent event,
       const ui::LatencyInfo& latency_info);
 
  private:
   // Called from the compositor's thread.
   void AddInputHandlerOnCompositorThread(
       int routing_id,
       const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner,
       const base::WeakPtr<cc::InputHandler>& input_handler,
-      const base::WeakPtr<RenderWidget>& render_widget,
+      const base::WeakPtr<RenderViewImpl>& render_view_impl,
       bool enable_smooth_scrolling);
 
   void RegisterRoutingIDOnCompositorThread(int routing_id);
   void UnregisterRoutingIDOnCompositorThread(int routing_id);
 
   void ObserveWheelEventAndResultOnCompositorThread(
       int routing_id,
       const blink::WebMouseWheelEvent& wheel_event,
       const cc::InputHandlerScrollResult& scroll_result);
 
@@ skipping 19 matching lines @@
   // May be null.
   SynchronousInputHandlerProxyClient* const synchronous_handler_proxy_client_;
   blink::scheduler::RendererScheduler* const renderer_scheduler_;  // Not owned.
 
   base::WeakPtrFactory<InputHandlerManager> weak_ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_H_