Couple of changes for client area

ui/views/widget/desktop_aura/desktop_native_widget_aura.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/widget/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 1167 matching lines @@
   TRACE_EVENT1("views", "DesktopNativeWidgetAura::OnHostMovedInPixels",
                "new_origin_in_pixels", new_origin_in_pixels.ToString());
 
   native_widget_delegate_->OnNativeWidgetMove();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopNativeWidgetAura, private:
 
 void DesktopNativeWidgetAura::UpdateWindowTransparency() {
+  if (!desktop_window_tree_host_->ShouldUpdateWindowTransparency())
+    return;
+
   content_window_->SetTransparent(
       desktop_window_tree_host_->ShouldWindowContentsBeTransparent());
   // Regardless of transparency or not, this root content window will always
   // fill its bounds completely, so set this flag to true to avoid an
   // unecessary clear before update.
   content_window_->SetFillsBoundsCompletely(true);
 }
 
 void DesktopNativeWidgetAura::RootWindowDestroyed() {
   cursor_reference_count_--;
   if (cursor_reference_count_ == 0) {
     // We are the last DesktopNativeWidgetAura instance, and we are responsible
     // for cleaning up |cursor_manager_|.
     delete cursor_manager_;
     native_cursor_manager_ = NULL;
     cursor_manager_ = NULL;
   }
 }
 
 }  // namespace views