Move application_manager from /mojo to /shell.

shell/application_manager/application_loader.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_APPLICATION_MANAGER_APPLICATION_LOADER_H_
-#define MOJO_APPLICATION_MANAGER_APPLICATION_LOADER_H_
+#ifndef SHELL_APPLICATION_MANAGER_APPLICATION_LOADER_H_
+#define SHELL_APPLICATION_MANAGER_APPLICATION_LOADER_H_
 
 #include "base/callback.h"
-#include "mojo/application_manager/application_manager_export.h"
 #include "mojo/public/cpp/system/core.h"
 #include "mojo/services/network/public/interfaces/url_loader.mojom.h"
+#include "shell/application_manager/application_manager_export.h"
 #include "url/gurl.h"
 
 namespace mojo {
 
 class ApplicationManager;
 
 // Interface to allowing loading behavior to be established for schemes,
 // specific urls or as the default.
 // A ApplicationLoader is responsible to using whatever mechanism is appropriate
 // to load the application at url.
@@ skipping 26 matching lines @@
   // Called when the Application exits.
   virtual void OnApplicationError(ApplicationManager* manager,
                                   const GURL& url) = 0;
 
  protected:
   ApplicationLoader() {}
 };
 
 }  // namespace mojo
 
-#endif  // MOJO_APPLICATION_MANAGER_APPLICATION_LOADER_H_
+#endif  // SHELL_APPLICATION_MANAGER_APPLICATION_LOADER_H_