Revert of Move compositor InputHandler from RenderViewImpl to RenderWidget.

content/renderer/render_view_impl.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_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <deque>
 #include <map>
 #include <memory>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "cc/input/browser_controls_state.h"
 #include "cc/resources/shared_bitmap.h"
 #include "content/common/content_export.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/navigation_gesture.h"
@@ skipping 83 matching lines @@
 //
 // DEPRECATED: RenderViewImpl is being removed as part of the SiteIsolation
 // project. New code should be added to RenderFrameImpl instead.
 //
 // For context, please see https://crbug.com/467770 and
 // http://www.chromium.org/developers/design-documents/site-isolation.
 class CONTENT_EXPORT RenderViewImpl
     : public RenderWidget,
       NON_EXPORTED_BASE(public blink::WebViewClient),
       public RenderWidgetOwnerDelegate,
-      public RenderView {
+      public RenderView,
+      public base::SupportsWeakPtr<RenderViewImpl> {
  public:
   // Creates a new RenderView. Note that if the original opener has been closed,
   // |params.window_was_created_with_opener| will be true and
   // |params.opener_frame_route_id| will be MSG_ROUTING_NONE. When
   // |params.swapped_out| is true, |params.proxy_routing_id| is specified, so a
   // RenderFrameProxy can be created for this RenderView's main RenderFrame. The
   // opener should provide a non-null value for |show_callback| if it needs to
   // send an additional IPC to finish making this view visible.
   static RenderViewImpl* Create(
       CompositorDependencies* compositor_deps,
@@ skipping 69 matching lines @@
     return page_zoom_level_;
   }
 
   // Sets page-level focus in this view and notifies plugins and Blink's
   // FocusController.
   void SetFocus(bool enable);
 
   void AttachWebFrameWidget(blink::WebFrameWidget* frame_widget);
 
   void TransferActiveWheelFlingAnimation(
-      const blink::WebActiveWheelFlingParameters& params) override;
+      const blink::WebActiveWheelFlingParameters& params);
 
   // Starts a timer to send an UpdateState message on behalf of |frame|, if the
   // timer isn't already running. This allows multiple state changing events to
   // be coalesced into one update.
   void StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame);
 
   // Synchronously sends the current navigation state to the browser.
   void SendUpdateState();
 
   // A popup widget opened by this view needs to be shown.
@@ skipping 160 matching lines @@
   void ConvertViewportToWindowViaWidget(blink::WebRect* rect) override;
   gfx::RectF ElementBoundsInWindow(const blink::WebElement& element) override;
   bool HasAddedInputHandler() const override;
 
   bool uses_temporary_zoom_level() const { return uses_temporary_zoom_level_; }
 
   // Please do not add your stuff randomly to the end here. If there is an
   // appropriate section, add it there. If not, there are some random functions
   // nearer to the top you can add it to.
 
-  base::WeakPtr<RenderViewImpl> GetWeakPtr() {
-    return weak_ptr_factory_.GetWeakPtr();
-  }
-
  protected:
   // RenderWidget overrides:
   blink::WebWidget* GetWebWidget() const override;
   void CloseForFrame() override;
   void Close() override;
   void OnResize(const ResizeParams& params) override;
   void OnSetFocus(bool enable) override;
   GURL GetURLForGraphicsContext3D() override;
   void OnOrientationChange() override;
   void DidCommitCompositorFrame() override;
@@ skipping 419 matching lines @@
   // is fine.
   base::ObserverList<RenderViewObserver> observers_;
 
   // NOTE: stats_collection_observer_ should be the last members because their
   // constructors call the AddObservers method of RenderViewImpl.
   std::unique_ptr<StatsCollectionObserver> stats_collection_observer_;
 
   typedef std::map<cc::SharedBitmapId, cc::SharedBitmap*> BitmapMap;
   BitmapMap disambiguation_bitmaps_;
 
+  bool has_added_input_handler_;
+
   // ---------------------------------------------------------------------------
   // ADDING NEW DATA? Please see if it fits appropriately in one of the above
   // sections rather than throwing it randomly at the end. If you're adding a
   // bunch of stuff, you should probably create a helper class and put your
   // data and methods on that to avoid bloating RenderView more.  You can
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
-  base::WeakPtrFactory<RenderViewImpl> weak_ptr_factory_;
-
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_