Fix multiple problems with omnibox text handling across focus changes.

chrome/browser/ui/browser_window.h

 // Copyright 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_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "chrome/browser/lifetime/browser_close_manager.h"
 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
@@ skipping 93 matching lines @@
   virtual void UpdateDevTools() = 0;
 
   // Update any loading animations running in the window. |should_animate| is
   // true if there are tabs loading and the animations should continue, false
   // if there are no active loads and the animations should end.
   virtual void UpdateLoadingAnimations(bool should_animate) = 0;
 
   // Sets the starred state for the current tab.
   virtual void SetStarredState(bool is_starred) = 0;
 
+  // Called when the active tab changes.  Subclasses which implement
+  // TabStripModelObserver should implement this instead of ActiveTabChanged();
+  // the Browser will call this method while processing that one.
+  virtual void OnActiveTabChanged(content::WebContents* old_contents,
+                                  content::WebContents* new_contents,
+                                  int index,
+                                  int reason) = 0;
+
   // Called to force the zoom state to for the active tab to be recalculated.
   // |can_show_bubble| is true when a user presses the zoom up or down keyboard
   // shortcuts and will be false in other cases (e.g. switching tabs, "clicking"
   // + or - in the wrench menu to change zoom).
   virtual void ZoomChangedForActiveTab(bool can_show_bubble) = 0;
 
   // Accessors for fullscreen mode state.
   virtual void EnterFullscreen(const GURL& url,
                                FullscreenExitBubbleType bubble_type) = 0;
   virtual void ExitFullscreen() = 0;
@@ skipping 275 matching lines @@
 
   // Returns the ToolbarView.
   virtual ToolbarView* GetToolbarView() const = 0;
 #endif
 
  protected:
   virtual ~BrowserWindowTesting() {}
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_