Handle titlebar text updates properly

ui/views/window/custom_frame_view.cc

 // Copyright (c) 2012 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 "ui/views/window/custom_frame_view.h"
 
 #include <algorithm>
 
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
@@ skipping 193 matching lines @@
   minimize_button_->SetState(CustomButton::BS_NORMAL);
   maximize_button_->SetState(CustomButton::BS_NORMAL);
   // The close button isn't affected by this constraint.
 }
 
 void CustomFrameView::UpdateWindowIcon() {
   if (window_icon_)
     window_icon_->SchedulePaint();
 }
 
+void CustomFrameView::UpdateWindowTitle() {
+  SchedulePaintInRect(title_bounds_);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // CustomFrameView, View overrides:
 
 void CustomFrameView::OnPaint(gfx::Canvas* canvas) {
   if (frame_->IsMaximized())
     PaintMaximizedFrameBorder(canvas);
   else
     PaintRestoredFrameBorder(canvas);
   PaintTitleBar(canvas);
   if (ShouldShowClientEdge())
@@ skipping 322 matching lines @@
                    rb.GetImageNamed(normal_image_id).ToImageSkia());
   button->SetImage(CustomButton::BS_HOT,
                    rb.GetImageNamed(hot_image_id).ToImageSkia());
   button->SetImage(CustomButton::BS_PUSHED,
                    rb.GetImageNamed(pushed_image_id).ToImageSkia());
   AddChildView(button);
   return button;
 }
 
 }  // namespace views