Switch to standard integer types in mojo/.

mojo/package_manager/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_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_
 #define MOJO_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "base/callback.h"
+#include "base/macros.h"
 #include "mojo/application/public/interfaces/content_handler.mojom.h"
 #include "mojo/shell/identity.h"
 #include "url/gurl.h"
 
 namespace mojo {
 namespace shell {
 class ApplicationManager;
 }
 namespace package_manager {
 
@@ skipping 36 matching lines @@
   const uint32_t id_;
   int ref_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentHandlerConnection);
 };
 
 }  // namespace package_manager
 }  // namespace mojo
 
 #endif  // MOJO_PACKAGE_MANAGER_CONTENT_HANDLER_CONNECTION_H_