Handle titlebar text updates properly

ui/views/window/non_client_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/non_client_view.h"
 
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/hit_test.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
@@ skipping 78 matching lines @@
 }
 
 void NonClientView::ResetWindowControls() {
   frame_view_->ResetWindowControls();
 }
 
 void NonClientView::UpdateWindowIcon() {
   frame_view_->UpdateWindowIcon();
 }
 
+void NonClientView::UpdateWindowTitle() {
+  frame_view_->UpdateWindowTitle();
+}
+
 void NonClientView::LayoutFrameView() {
   // First layout the NonClientFrameView, which determines the size of the
   // ClientView...
   frame_view_->SetBounds(0, 0, width(), height());
 
   // We need to manually call Layout here because layout for the frame view can
   // change independently of the bounds changing - e.g. after the initial
   // display of the window the metrics of the native window controls can change,
   // which does not change the bounds of the window but requires a re-layout to
   // trigger a repaint. We override OnBoundsChanged() for the NonClientFrameView
@@ skipping 164 matching lines @@
 std::string NonClientFrameView::GetClassName() const {
   return kViewClassName;
 }
 
 void NonClientFrameView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
   // Overridden to do nothing. The NonClientView manually calls Layout on the
   // FrameView when it is itself laid out, see comment in NonClientView::Layout.
 }
 
 }  // namespace views