Remove unused RenderViewHostManager::SwapInRenderViewHost() and TabContents::SwapInRenderViewHost()

content/browser/tab_contents/render_view_host_manager.h

 // Copyright (c) 2011 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_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 167 matching lines @@
   virtual void OnCrossSiteNavigationCanceled();
 
   // NotificationObserver implementation.
   virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Called when a RenderViewHost is about to be deleted.
   void RenderViewDeleted(RenderViewHost* rvh);
 
-  // Allows a caller to swap in a provided RenderViewHost to replace the
-  // current RenderViewHost.  The current RVH will be shutdown and ultimately
-  // deleted.
-  void SwapInRenderViewHost(RenderViewHost* rvh);
-
   // Returns whether the given RenderViewHost is on the list of swapped out
   // RenderViewHosts.
   bool IsSwappedOut(RenderViewHost* rvh);
 
  private:
   friend class TestTabContents;
   friend class RenderViewHostManagerTest;
 
   // Returns whether this tab should transition to a new renderer for
   // cross-site URLs.  Enabled unless we see the --process-per-tab command line
@@ skipping 84 matching lines @@
 };
 
 // The "details" for a NOTIFY_RENDER_VIEW_HOST_CHANGED notification. The old
 // host can be NULL when the first RenderViewHost is set.
 struct RenderViewHostSwitchedDetails {
   RenderViewHost* old_host;
   RenderViewHost* new_host;
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_