Remove final RenderWidgetHostImpl dependency from OverscrollController

content/browser/renderer_host/render_widget_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 
 #include <math.h>
 #include <set>
 #include <utility>
 
@@ skipping 396 matching lines @@
 
 base::TimeDelta
     RenderWidgetHostImpl::GetSyntheticGestureMessageInterval() const {
   return synthetic_gesture_controller_.GetSyntheticGestureMessageInterval();
 }
 
 void RenderWidgetHostImpl::SetOverscrollControllerEnabled(bool enabled) {
   if (!enabled)
     overscroll_controller_.reset();
   else if (!overscroll_controller_)
-    overscroll_controller_.reset(new OverscrollController(this));
+    overscroll_controller_.reset(new OverscrollController());
 }
 
 void RenderWidgetHostImpl::SuppressNextCharEvents() {
   suppress_next_char_events_ = true;
 }
 
 void RenderWidgetHostImpl::FlushInput() {
   input_router_->Flush();
 }
 
@@ skipping 2053 matching lines @@
         continue;
       }
       RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
       if (rwhi_set.insert(rwhi).second)
         rwhi->FrameSwapped(latency_info);
     }
   }
 }
 
 }  // namespace content