Remove TabContents from TabStripModelObserver::ActiveTabChanged.

chrome/browser/ui/browser.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_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 418 matching lines @@
   // Overridden from TabStripModelObserver:
   virtual void TabInsertedAt(content::WebContents* contents,
                              int index,
                              bool foreground) OVERRIDE;
   virtual void TabClosingAt(TabStripModel* tab_strip_model,
                             content::WebContents* contents,
                             int index) OVERRIDE;
   virtual void TabDetachedAt(content::WebContents* contents,
                              int index) OVERRIDE;
   virtual void TabDeactivated(content::WebContents* contents) OVERRIDE;
-  virtual void ActiveTabChanged(TabContents* old_contents,
-                                TabContents* new_contents,
+  virtual void ActiveTabChanged(content::WebContents* old_contents,
+                                content::WebContents* new_contents,
                                 int index,
                                 bool user_gesture) OVERRIDE;
   virtual void TabMoved(TabContents* contents,
                         int from_index,
                         int to_index) OVERRIDE;
   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
                              TabContents* old_contents,
                              TabContents* new_contents,
                              int index) OVERRIDE;
   virtual void TabPinnedStateChanged(content::WebContents* contents,
@@ skipping 260 matching lines @@
   // UI update coalescing and handling ////////////////////////////////////////
 
   // Asks the toolbar (and as such the location bar) to update its state to
   // reflect the current tab's current URL, security state, etc.
   // If |should_restore_state| is true, we're switching (back?) to this tab and
   // should restore any previous location bar state (such as user editing) as
   // well.
   void UpdateToolbar(bool should_restore_state);
 
   // Updates the browser's search model with the tab's search model.
-  void UpdateSearchState(TabContents* contents);
+  void UpdateSearchState(content::WebContents* contents);
 
   // Does one or both of the following for each bit in |changed_flags|:
   // . If the update should be processed immediately, it is.
   // . If the update should processed asynchronously (to avoid lots of ui
   //   updates), then scheduled_updates_ is updated for the |source| and update
   //   pair and a task is scheduled (assuming it isn't running already)
   //   that invokes ProcessPendingUIUpdates.
   void ScheduleUIUpdate(const content::WebContents* source,
                         unsigned changed_flags);
 
@@ skipping 219 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_