Move application_manager from /mojo to /shell.

shell/context.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 SHELL_CONTEXT_H_
 #define SHELL_CONTEXT_H_
 
 #include <string>
 
 #include "base/macros.h"
-#include "mojo/application_manager/application_manager.h"
+#include "shell/application_manager/application_manager.h"
 #include "shell/mojo_url_resolver.h"
 #include "shell/task_runners.h"
 
 namespace mojo {
 
 namespace shell {
 
 class DynamicApplicationLoader;
 class ExternalApplicationListener;
 
@@ skipping 28 matching lines @@
   ApplicationManager application_manager_;
   MojoURLResolver mojo_url_resolver_;
 
   DISALLOW_COPY_AND_ASSIGN(Context);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // SHELL_CONTEXT_H_