Switch to standard integer types in ppapi/.

ppapi/thunk/ppb_file_system_api.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_THUNK_PPB_FILE_SYSTEM_API_H_
 #define PPAPI_THUNK_PPB_FILE_SYSTEM_API_H_
 
+#include <stdint.h>
+
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/ppb_file_system.h"
 
 namespace ppapi {
 
 class TrackedCallback;
 
 namespace thunk {
 
 class PPB_FileSystem_API {
  public:
   virtual ~PPB_FileSystem_API() {}
 
   virtual int32_t Open(int64_t expected_size,
                        scoped_refptr<TrackedCallback> callback) = 0;
   virtual PP_FileSystemType GetType() = 0;
   virtual void OpenQuotaFile(PP_Resource file_io) = 0;
   virtual void CloseQuotaFile(PP_Resource file_io) = 0;
   typedef base::Callback<void(int64_t)> RequestQuotaCallback;
   virtual int64_t RequestQuota(int64_t amount,
                                const RequestQuotaCallback& callback) = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_FILE_SYSTEM_API_H_