Pepper Message Filters: Port to use explicit permission grants in ChildProcessSecurityPolicy.

ppapi/proxy/flash_file_resource.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/flash_file_resource.h"
 
 #include "base/files/file_path.h"
 #include "ipc/ipc_message.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 158 matching lines @@
                                         PP_Resource file_ref,
                                         PP_FileInfo* info) {
   return QueryFileHelper(GetPathFromFileRef(file_ref),
                          PepperFilePath::DOMAIN_ABSOLUTE, info);
 }
 
 int32_t FlashFileResource::OpenFileHelper(const std::string& path,
                                           PepperFilePath::Domain domain_type,
                                           int32_t mode,
                                           PP_FileHandle* file) {
-  int flags = 0;
-  if (path.empty() ||
-      !ppapi::PepperFileOpenFlagsToPlatformFileFlags(mode, &flags) ||
-      !file)
+  if (path.empty() || !file)
     return PP_ERROR_BADARGUMENT;
 
   PepperFilePath pepper_path(domain_type, base::FilePath::FromUTF8Unsafe(path));
 
   IPC::Message unused;
   ResourceMessageReplyParams reply_params;
   int32_t error = GenericSyncCall(BROWSER,
-      PpapiHostMsg_FlashFile_OpenFile(pepper_path, flags), &unused,
+      PpapiHostMsg_FlashFile_OpenFile(pepper_path, mode), &unused,
       &reply_params);
   if (error != PP_OK)
     return error;
 
   IPC::PlatformFileForTransit transit_file;
   if (!reply_params.TakeFileHandleAtIndex(0, &transit_file))
     return PP_ERROR_FAILED;
 
   *file = IPC::PlatformFileForTransitToPlatformFile(transit_file);
   return PP_OK;
@@ skipping 21 matching lines @@
       info->type = PP_FILETYPE_DIRECTORY;
     else
       info->type = PP_FILETYPE_REGULAR;
   }
 
   return error;
 }
 
 }  // namespace proxy
 }  // namespace ppapi