Switch to standard integer types in ppapi/.

ppapi/proxy/enter_proxy.h

 // Copyright (c) 2012 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 PPAPI_PROXY_ENTER_PROXY_H_
 #define PPAPI_PROXY_ENTER_PROXY_H_
 
+#include <stdint.h>
+
 #include "base/logging.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/proxy/host_dispatcher.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/plugin_resource_tracker.h"
 #include "ppapi/thunk/enter.h"
 
 namespace ppapi {
 
@@ skipping 177 matching lines @@
     this->ClearCallback();
   }
 
   bool needs_running_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_ENTER_PROXY_H_