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

content/browser/tab_contents/tab_contents.cc

 // 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.
 
 #include "content/browser/tab_contents/tab_contents.h"
 
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 1901 matching lines @@
 }
 
 void TabContents::SwapInRenderViewHost(RenderViewHost* rvh) {
   render_manager_.SwapInRenderViewHost(rvh);
 }
 
 void TabContents::CreateViewAndSetSizeForRVH(RenderViewHost* rvh) {
   RenderWidgetHostView* rwh_view = view()->CreateViewForWidget(rvh);
   rwh_view->SetSize(view()->GetContainerSize());
 }
+
+void TabContents::UpdatePreferredSize(const gfx::Size& pref_size) {
+  if (delegate_)
+    delegate_->UpdatePreferredSize(pref_size);

[brettw, 2011/08/10 23:39:36]

In other places, we've just made the views call the delegate directly, so I
think you can avoid this function.

[jianli, 2011/08/10 23:57:18]

Removed.

+}