Move OverscrollController to RenderWidgetHostViewAura

content/browser/frame_host/navigator_delegate.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_BROWSER_FRAME_HOST_NAVIGATOR_DELEGATE_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_DELEGATE_H_
 
 #include "base/strings/string16.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_controller.h"
@@ skipping 59 matching lines @@
   // NavigationController's last committed entry is for this navigation.
   virtual void DidNavigateMainFramePostCommit(
       const LoadCommittedDetails& details,
       const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {}
   virtual void DidNavigateAnyFramePostCommit(
       RenderFrameHostImpl* render_frame_host,
       const LoadCommittedDetails& details,
       const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {}
 
   virtual void SetMainFrameMimeType(const std::string& mime_type) {}
-  virtual bool CanOverscrollContent();
+  virtual bool CanOverscrollContent() const;
 
   // Notification to the Navigator embedder that navigation state has
   // changed. This method corresponds to
   // WebContents::NotifyNavigationStateChanged.
   virtual void NotifyChangedNavigationState(InvalidateTypes changed_flags) {}
 
   // Notifies the Navigator embedder that it is beginning to navigate a frame.
   virtual void AboutToNavigateRenderFrame(
       RenderFrameHostImpl* render_frame_host) {}
 
@@ skipping 10 matching lines @@
                               const OpenURLParams& params) {}
 
   // Returns whether URLs for aborted browser-initiated navigations should be
   // preserved in the omnibox.  Defaults to false.
   virtual bool ShouldPreserveAbortedURLs();
 };
 
 }  // namspace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_DELEGATE_H_