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

content/browser/tab_contents/tab_contents_view.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 80 matching lines @@
   // first time.
   virtual void SetInitialFocus() = 0;
 
   // Stores the currently focused view.
   virtual void StoreFocus() = 0;
 
   // Restores focus to the last focus view. If StoreFocus has not yet been
   // invoked, SetInitialFocus is invoked.
   virtual void RestoreFocus() = 0;
 
-  // Notification that the preferred size of the contents has changed.
-  virtual void UpdatePreferredSize(const gfx::Size& pref_size) = 0;
-
   // If we try to close the tab while a drag is in progress, we crash.  These
   // methods allow the tab contents to determine if a drag is in progress and
   // postpone the tab closing.
   virtual bool IsDoingDrag() const = 0;
   virtual void CancelDragAndCloseTab() = 0;
 
   // If we close the tab while a UI control is in an event-tracking
   // loop, the control may message freed objects and crash.
   // TabContents::Close() calls IsEventTracking(), and if it returns
   // true CloseTabAfterEventTracking() is called and the close is not
   // completed.
   virtual bool IsEventTracking() const = 0;
   virtual void CloseTabAfterEventTracking() = 0;
 
   // Get the bounds of the View, relative to the parent.
   // TODO(beng): Return a rect rather than using an out param.
   virtual void GetViewBounds(gfx::Rect* out) const = 0;
 
  protected:
   TabContentsView();  // Abstract interface.
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TabContentsView);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_H_