Switch to standard integer types in ppapi/.

ppapi/proxy/device_enumeration_resource_helper.cc

 // 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.
 
 #include "ppapi/proxy/device_enumeration_resource_helper.h"
 
+#include <stddef.h>
+
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
 #include "ppapi/c/pp_array_output.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/dispatch_reply_message.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 158 matching lines @@
         OBJECT_IS_PROXY, owner_->pp_instance(), devices[i]));
   }
   if (!writer.StoreResourceVector(device_resources))
     return PP_ERROR_FAILED;
 
   return PP_OK;
 }
 
 }  // namespace proxy
 }  // namespace ppapi