Eliminate redundancy in the parameters to NotifyEntryChanged.

content/public/browser/navigation_controller.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_NAVIGATION_CONTROLLER_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 392 matching lines @@
   // Cancels a repost that brought up a warning.
   virtual void CancelPendingReload() = 0;
   // Continues a repost that brought up a warning.
   virtual void ContinuePendingReload() = 0;
 
   // Returns true if we are navigating to the URL the tab is opened with.
   // Returns false after the initial navigation has committed.
   virtual bool IsInitialNavigation() const = 0;
 
   // Broadcasts the NOTIFICATION_NAV_ENTRY_CHANGED notification for the given
-  // entry (which must be at the given index). This will keep things in sync
-  // like the saved session.
-  virtual void NotifyEntryChanged(const NavigationEntry* entry, int index) = 0;
+  // entry. This will keep things in sync like the saved session.
+  virtual void NotifyEntryChanged(const NavigationEntry* entry) = 0;
 
   // Copies the navigation state from the given controller to this one. This
   // one should be empty (just created).
   virtual void CopyStateFrom(const NavigationController& source) = 0;
 
   // A variant of CopyStateFrom. Removes all entries from this except the last
   // committed entry, and inserts all entries from |source| before and including
   // its last committed entry. For example:
   // source: A B *C* D
   // this:   E F *G*
@@ skipping 37 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class NavigationControllerImpl;
   NavigationController() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_CONTROLLER_H_