Update pepper to not assume that SharedMemoryHandle is an int.

content/common/pepper_file_util.h

 // Copyright 2014 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 CONTENT_COMMON_PEPPER_FILE_UTIL_H_
 #define CONTENT_COMMON_PEPPER_FILE_UTIL_H_
 
 #include "base/files/file.h"
 #include "base/memory/shared_memory.h"
 #include "base/sync_socket.h"
 #include "ppapi/c/pp_file_info.h"
 #include "storage/common/fileapi/file_system_types.h"
 
 #if !defined(ENABLE_PLUGINS)
 #error "Plugins should be enabled"
 #endif
 
 namespace content {
 
 storage::FileSystemType PepperFileSystemTypeToFileSystemType(
     PP_FileSystemType type);
 
-base::PlatformFile PlatformFileFromSharedMemoryHandle(
-    const base::SharedMemoryHandle& shm_handle);
-
 int IntegerFromSyncSocketHandle(
     const base::SyncSocket::Handle& socket_handle);
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_PEPPER_FILE_UTIL_H_