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

ppapi/proxy/flash_file_resource.cc

Index: ppapi/proxy/flash_file_resource.cc
diff --git a/ppapi/proxy/flash_file_resource.cc b/ppapi/proxy/flash_file_resource.cc
index a7db4c00a836ddbd25d586161508d0e38ef73c91..b0a0987736464ea5671c321348965a705fe01f6e 100644
--- a/ppapi/proxy/flash_file_resource.cc
+++ b/ppapi/proxy/flash_file_resource.cc
@@ -176,10 +176,7 @@ 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));
@@ -187,7 +184,7 @@ int32_t FlashFileResource::OpenFileHelper(const std::string& 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;