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 492 matching lines @@
 void TabContents::HandleMouseActivate() {
   if (delegate_)
     delegate_->HandleMouseActivate();
 }
 
 void TabContents::ToggleFullscreenMode(bool enter_fullscreen) {
   if (delegate_)
     delegate_->ToggleFullscreenModeForTab(this, enter_fullscreen);
 }
 
+void TabContents::UpdatePreferredSize(const gfx::Size& pref_size) {
+  if (delegate_)
+    delegate_->UpdatePreferredSize(this, pref_size);
+}
+
 void TabContents::ShowContents() {
   RenderWidgetHostView* rwhv = GetRenderWidgetHostView();
   if (rwhv)
     rwhv->DidBecomeSelected();
 }
 
 void TabContents::HideContents() {
   // TODO(pkasting): http://b/1239839  Right now we purposefully don't call
   // our superclass HideContents(), because some callers want to be very picky
   // about the order in which these get called.  In addition to making the code
@@ skipping 1460 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());
 }