When committing a provisional load that didn't change the RVH, still abort pending navigations.

chrome/browser/extensions/api/web_navigation/frame_navigation_state.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 CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 39 matching lines @@
 
   // True if in general webNavigation events may be sent for the given URL.
   bool IsValidUrl(const GURL& url) const;
 
   // Starts to track a frame identified by its |frame_id| showing the URL |url|.
   void TrackFrame(FrameID frame_id,
                   const GURL& url,
                   bool is_main_frame,
                   bool is_error_page);
 
-  // Stops tracking all frames for a given RenderViewHost.
-  void StopTrackingFramesInRVH(content::RenderViewHost* render_view_host);
+  // Stops tracking all frames but the frame with |id_to_skip| for a given
+  // RenderViewHost.
+  void StopTrackingFramesInRVH(content::RenderViewHost* render_view_host,
+                               FrameID id_to_skip);
 
   // Update the URL associated with a given frame.
   void UpdateFrame(FrameID frame_id, const GURL& url);
 
   // Returns true if |frame_id| is a known frame.
   bool IsValidFrame(FrameID frame_id) const;
 
   // Returns the URL corresponding to a tracked frame given by its |frame_id|.
   GURL GetUrl(FrameID frame_id) const;
 
@@ skipping 60 matching lines @@
 
   // If true, also allow events from chrome-extension:// URLs.
   static bool allow_extension_scheme_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameNavigationState);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_NAVIGATION_FRAME_NAVIGATION_STATE_H_