Make panel adjust bounds per preferred size change notification on Windows.

chrome/browser/ui/browser.h

 // Copyright (c) 2011 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_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 870 matching lines @@
       const history::HistoryAddPageArgs& add_page_args,
       NavigationType::Type navigation_type) OVERRIDE;
   virtual void ContentRestrictionsChanged(TabContents* source) OVERRIDE;
   virtual void RendererUnresponsive(TabContents* source) OVERRIDE;
   virtual void RendererResponsive(TabContents* source) OVERRIDE;
   virtual void WorkerCrashed(TabContents* source) OVERRIDE;
   virtual void DidNavigateMainFramePostCommit(TabContents* tab) OVERRIDE;
   virtual void DidNavigateToPendingEntry(TabContents* tab) OVERRIDE;
   virtual content::JavaScriptDialogCreator*
   GetJavaScriptDialogCreator() OVERRIDE;
+  virtual void UpdatePreferredSize(const gfx::Size& pref_size) OVERRIDE;
 
   // Overridden from TabContentsWrapperDelegate:
   virtual void OnDidGetApplicationInfo(TabContentsWrapper* source,
                                        int32 page_id) OVERRIDE;
   virtual void OnInstallApplication(
       TabContentsWrapper* source,
       const WebApplicationInfo& app_info) OVERRIDE;
 
   // Note that the caller is responsible for deleting |old_tab_contents|.
   virtual void SwapTabContents(TabContentsWrapper* old_tab_contents,
@@ skipping 372 matching lines @@
 
   scoped_ptr<InstantController> instant_;
   scoped_ptr<InstantUnloadHandler> instant_unload_handler_;
 
   BookmarkBar::State bookmark_bar_state_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_