Update the maximize button when size constraints change.

chrome/browser/ui/views/message_center/message_center_frame_view.cc

 // Copyright 2013 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 "chrome/browser/ui/views/message_center/message_center_frame_view.h"
 
 #include "ui/base/hit_test.h"
 #include "ui/message_center/message_center_style.h"
 #include "ui/views/shadow_border.h"
 #include "ui/views/widget/widget.h"
@@ skipping 45 matching lines @@
 
 void MessageCenterFrameView::ResetWindowControls() {
 }
 
 void MessageCenterFrameView::UpdateWindowIcon() {
 }
 
 void MessageCenterFrameView::UpdateWindowTitle() {
 }
 
+void MessageCenterFrameView::SizeConstraintsChanged() {
+}
+
 gfx::Insets MessageCenterFrameView::GetInsets() const {
   return border()->GetInsets();
 }
 
 const char* MessageCenterFrameView::GetClassName() const {
   return "MessageCenterFrameView";
 }
 
 }  // namespace message_center