Update view_manager and window_manager to make use of content handling.

mojo/examples/window_manager/debug_panel.h

 // Copyright 2014 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.
 
 #ifndef MOJO_EXAMPLES_WINDOW_MANAGER_DEBUG_PANEL_H_
 #define MOJO_EXAMPLES_WINDOW_MANAGER_DEBUG_PANEL_H_
 
 #include <string>
 
 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/layout/layout_manager.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace views {
 class Label;
 class RadioButton;
 }
 
 namespace mojo {
 
 class View;
 
 namespace examples {
 
 namespace {
-const SkColor kColors[] = { SK_ColorYELLOW,
-                            SK_ColorRED,
-                            SK_ColorGREEN,
-                            SK_ColorMAGENTA };
 }
 
 // A panel of controls intended to demonstrate the functionality of the window
 // manager.
 class DebugPanel : public views::LayoutManager, public views::ButtonListener {
  public:
   class Delegate {
    public:
     virtual void CloseTopWindow() = 0;
     virtual void RequestNavigate(
@@ skipping 18 matching lines @@
   void Navigate(const std::string& url);
 
   Delegate* delegate_;
   View* view_;
 
   views::Label* navigation_target_label_;
   views::RadioButton* navigation_target_new_;
   views::RadioButton* navigation_target_source_;
   views::RadioButton* navigation_target_default_;
 
-  size_t next_color_;
   views::Button* colored_square_;
   views::Button* close_last_;
   views::Button* cross_app_;
 
   DISALLOW_COPY_AND_ASSIGN(DebugPanel);
 };
 
 }  // examples
 }  // mojo
 
 #endif  //  MOJO_EXAMPLES_WINDOW_MANAGER_DEBUG_PANEL_H_