Animate showing / hiding the location bar for bookmark apps.

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/signin/signin_header_helper.h"
@@ skipping 160 matching lines @@
 
   // Updates the toolbar with the state for the specified |contents|.
   virtual void UpdateToolbar(content::WebContents* contents) = 0;
 
   // Resets the toolbar's tab state for |contents|.
   virtual void ResetToolbarTabState(content::WebContents* contents) = 0;
 
   // Focuses the toolbar (for accessibility).
   virtual void FocusToolbar() = 0;
 
+  // Called from toolbar subviews during their show/hide animations.
+  virtual void ToolbarSizeChanged(bool is_animating) = 0;
+
   // Focuses the app menu like it was a menu bar.
   //
   // Not used on the Mac, which has a "normal" menu bar.
   virtual void FocusAppMenu() = 0;
 
   // Focuses the bookmarks toolbar (for accessibility).
   virtual void FocusBookmarksToolbar() = 0;
 
   // Focuses an infobar, if shown (for accessibility).
   virtual void FocusInfobars() = 0;
@@ skipping 208 matching lines @@
   // Returns object implementing ExclusiveAccessContext interface.
   virtual ExclusiveAccessContext* GetExclusiveAccessContext() = 0;
 
  protected:
   friend class BrowserCloseManager;
   friend class BrowserView;
   virtual void DestroyBrowser() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_