Remove the old package manager

mojo/shell/content_handler_connection.h

 // Copyright 2015 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_SHELL_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_
-#define MOJO_SHELL_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_
+#ifndef MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
+#define MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_
 
 #include <stdint.h>
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "mojo/shell/identity.h"
 #include "mojo/shell/public/interfaces/content_handler.mojom.h"
 #include "url/gurl.h"
@@ skipping 40 matching lines @@
   // The id for this content handler.
   const uint32_t id_;
   int ref_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentHandlerConnection);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
-#endif  // MOJO_SHELL_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_
+#endif  // MOJO_SHELL_CONTENT_HANDLER_CONNECTION_H_