Move apps/shell to extensions/shell.

extensions/shell/renderer/shell_renderer_main_delegate.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 APPS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_
-#define APPS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_
+#ifndef EXTENSIONS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_
+#define EXTENSIONS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_
 
 namespace content {
 class RenderThread;
 class RenderView;
 }
 
-namespace apps {
+namespace extensions {
 
 class ShellRendererMainDelegate {
  public:
   virtual ~ShellRendererMainDelegate() {}
 
   // Called when |thread| is started, after the extensions subsystem has been
   // initialized for |thread|.
   virtual void OnThreadStarted(content::RenderThread* thread) = 0;
 
   // Called for each RenderView created in the renderer process, after the
   // extension related code has been initialized for the view.
   virtual void OnViewCreated(content::RenderView* view) = 0;
 };
 
-}  // namespace apps
+}  // namespace extensions
 
-#endif  // APPS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_
+#endif  // EXTENSIONS_SHELL_RENDERER_SHELL_RENDERER_MAIN_DELEGATE_H_