Handle titlebar text updates properly

ash/wm/custom_frame_view_ash.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 "ash/wm/custom_frame_view_ash.h"
 
 #include "ash/wm/frame_painter.h"
 #include "ash/wm/workspace/frame_maximize_button.h"
 #include "grit/ash_resources.h"
 #include "grit/ui_strings.h"  // Accessibility names
@@ skipping 87 matching lines @@
 
 void CustomFrameViewAsh::ResetWindowControls() {
   maximize_button_->SetState(views::CustomButton::BS_NORMAL);
 }
 
 void CustomFrameViewAsh::UpdateWindowIcon() {
   if (window_icon_)
     window_icon_->SchedulePaint();
 }
 
+void CustomFrameViewAsh::UpdateWindowTitle() {
+  frame_painter_->SchedulePaintForTitle(this, GetTitleFont());
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // CustomFrameViewAsh, views::View overrides:
 
 gfx::Size CustomFrameViewAsh::GetPreferredSize() {
   gfx::Size pref = frame_->client_view()->GetPreferredSize();
   gfx::Rect bounds(0, 0, pref.width(), pref.height());
   return frame_->non_client_view()->GetWindowBoundsForClientBounds(
       bounds).size();
 }
 
@@ skipping 49 matching lines @@
 // CustomFrameViewAsh, private:
 
 int CustomFrameViewAsh::NonClientTopBorderHeight() const {
   // Reserve enough space to see the buttons, including any offset from top and
   // reserving space for the separator line.
   return close_button_->bounds().bottom() +
       frame_painter_->HeaderContentSeparatorSize();
 }
 
 }  // namespace ash