Get rid of the last RenderViewHostDelegate usage in chrome.

content/public/browser/web_contents.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_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
@@ skipping 292 matching lines @@
   virtual void ResetOverrideEncoding() = 0;
 
   // Returns the settings which get passed to the renderer.
   virtual content::RendererPreferences* GetMutableRendererPrefs() = 0;
 
   // Set the time when we started to create the new tab page.  This time is
   // from before we created this WebContents.
   virtual void SetNewTabStartTime(const base::TimeTicks& time) = 0;
   virtual base::TimeTicks GetNewTabStartTime() const = 0;
 
+  // Tells the tab to close now. The tab will take care not to close until it's
+  // out of nested message loops.
+  virtual void Close() = 0;
+
   // Notification that tab closing has started.  This can be called multiple
   // times, subsequent calls are ignored.
   virtual void OnCloseStarted() = 0;
 
   // Returns true if underlying WebContentsView should accept drag-n-drop.
   virtual bool ShouldAcceptDragAndDrop() const = 0;
 
   // A render view-originated drag has ended. Informs the render view host and
   // WebContentsDelegate.
   virtual void SystemDragEnded() = 0;
 
+  // Notification the user has made a gesture while focus was on the
+  // page. This is used to avoid uninitiated user downloads (aka carpet
+  // bombing), see DownloadRequestLimiter for details.
+  virtual void UserGestureDone() = 0;
+
   // Indicates if this tab was explicitly closed by the user (control-w, close
   // tab menu item...). This is false for actions that indirectly close the tab,
   // such as closing the window.  The setter is maintained by TabStripModel, and
   // the getter only useful from within TAB_CLOSED notification
   virtual void SetClosedByUserGesture(bool value) = 0;
   virtual bool GetClosedByUserGesture() const = 0;
 
   // Gets the zoom level for this tab.
   virtual double GetZoomLevel() const = 0;
 
@@ skipping 44 matching lines @@
   // Focuses the location bar.
   virtual void SetFocusToLocationBar(bool select_all) = 0;
 
   // Does this have an opener associated with it?
   virtual bool HasOpener() const = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_