Introduce ui/wm/ directory.

ui/views/examples/content_client/examples_browser_main_parts.h

 // 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.
 
 #ifndef UI_VIEWS_EXAMPLES_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_
 #define UI_VIEWS_EXAMPLES_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_main_parts.h"
 
 namespace content {
 class ShellBrowserContext;
 struct MainFunctionParams;
 }
 
-namespace shell {
+namespace wm {
 class MinimalShell;
 }
 
 namespace views {
 class ViewsDelegate;
 
 namespace examples {
 
 class ExamplesBrowserMainParts : public content::BrowserMainParts {
  public:
@@ skipping 10 matching lines @@
     return browser_context_.get();
   }
 
  private:
   scoped_ptr<content::ShellBrowserContext> browser_context_;
 
   scoped_ptr<ViewsDelegate> views_delegate_;
 
 #if defined(OS_CHROMEOS)
   // Enable a minimal set of views::corewm to be initialized.
-  scoped_ptr<shell::MinimalShell> minimal_shell_;
+  scoped_ptr<wm::MinimalShell> minimal_shell_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ExamplesBrowserMainParts);
 };
 
 }  // namespace examples
 }  // namespace views
 
 #endif  // UI_VIEWS_EXAMPLES_CONTENT_CLIENT_EXAMPLES_BROWSER_MAIN_PARTS_H_