Implement rough new dialog style.

ash/shell.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/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/focus_manager_factory.h"
@@ skipping 629 matching lines @@
       }
     }
   }
   return false;
 }
 
 views::NonClientFrameView* Shell::CreateDefaultNonClientFrameView(
     views::Widget* widget) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           ::switches::kEnableNewDialogStyle)) {
-    return new views::DialogFrameView;
+    return new views::DialogFrameView(string16());
   }
   // Use translucent-style window frames for dialogs.
   CustomFrameViewAsh* frame_view = new CustomFrameViewAsh;
   frame_view->Init(widget);
   return frame_view;
 }
 
 void Shell::RotateFocus(Direction direction) {
   focus_cycler_->RotateFocus(
       direction == FORWARD ? internal::FocusCycler::FORWARD :
@@ skipping 261 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     active_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash