Make the throbber throb sooner after you navigate. This fixes the new tab pag...

chrome/browser/tabs/tab_strip_model.h

 // Copyright (c) 2006-2008 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_TABS_TAB_STRIP_MODEL_H_
 #define CHROME_BROWSER_TABS_TAB_STRIP_MODEL_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 52 matching lines @@
                              TabContents* new_contents,
                              int index,
                              bool user_gesture) { }
   // The specified TabContents at |from_index| was moved to |to_index|.
   virtual void TabMoved(TabContents* contents,
                         int from_index,
                         int to_index) { }
   // The specified TabContents at |index| changed in some way. |contents| may
   // be an entirely different object and the old value is no longer available
   // by the time this message is delivered.
-  virtual void TabChangedAt(TabContents* contents, int index) { }
+  virtual void TabChangedAt(TabContents* contents, int index,
+                            bool loading_only) { }
   // The TabStripModel now no longer has any "significant" (user created or
   // user manipulated) tabs. The implementer may use this as a trigger to try
   // and close the window containing the TabStripModel, for example...
   virtual void TabStripEmpty() { }
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 // TabStripModelDelegate
 //
@@ skipping 195 matching lines @@
 
   // Returns the index of the specified TabContents, or -1 if the TabContents
   // is not in this TabStripModel.
   int GetIndexOfTabContents(const TabContents* contents) const;
 
   // Returns the index of the specified NavigationController, or -1 if it is
   // not in this TabStripModel.
   int GetIndexOfController(const NavigationController* controller) const;
 
   // Notify any observers that the TabContents at the specified index has
-  // changed in some way.
-  void UpdateTabContentsStateAt(int index);
+  // changed in some way. Loading only specifies whether only the loading state
+  // has changed.
+  void UpdateTabContentsStateAt(int index, bool loading_only);
 
   // Make sure there is an auto-generated New Tab tab in the TabStripModel.
   // If |force_create| is true, the New Tab will be created even if the
   // preference is set to false (used by startup).
   void EnsureNewTabVisible(bool force_create);
 
   // Close all tabs at once. Code can use closing_all() above to defer
   // operations that might otherwise by invoked by the flurry of detach/select
   // notifications this method causes.
   void CloseAllTabs();
@@ skipping 239 matching lines @@
   TabStripModelOrderController* order_controller_;
 
   // Our observers.
   typedef ObserverList<TabStripModelObserver> TabStripModelObservers;
   TabStripModelObservers observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TabStripModel);
 };
 
 #endif  // CHROME_BROWSER_TABS_TAB_STRIP_MODEL_H_