Rename apps::AppShell* to apps::Shell*

apps/shell/shell_content_client.h

 // Copyright 2013 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_APP_SHELL_CONTENT_CLIENT_H_
-#define APPS_SHELL_APP_SHELL_CONTENT_CLIENT_H_
+#ifndef APPS_SHELL_SHELL_CONTENT_CLIENT_H_
+#define APPS_SHELL_SHELL_CONTENT_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "content/public/common/content_client.h"
 
 namespace apps {
 
-class AppShellContentClient : public content::ContentClient {
+class ShellContentClient : public content::ContentClient {
  public:
-  AppShellContentClient();
-  virtual ~AppShellContentClient();
+  ShellContentClient();
+  virtual ~ShellContentClient();
 
   virtual std::string GetUserAgent() const OVERRIDE;
   virtual string16 GetLocalizedString(int message_id) const OVERRIDE;
   virtual base::StringPiece GetDataResource(
       int resource_id,
       ui::ScaleFactor scale_factor) const OVERRIDE;
   virtual base::RefCountedStaticMemory* GetDataResourceBytes(
       int resource_id) const OVERRIDE;
   virtual gfx::Image& GetNativeImageNamed(int resource_id) const OVERRIDE;
 };
 
 }  // namespace apps
 
-#endif  // APPS_SHELL_APP_SHELL_CONTENT_CLIENT_H_
+#endif  // APPS_SHELL_SHELL_CONTENT_CLIENT_H_