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

content/renderer/pepper/ppb_file_ref_impl.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 "content/renderer/pepper/ppb_file_ref_impl.h"
 
 #include "base/files/file_util_proxy.h"
 #include "base/platform_file.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/pepper/common.h"
 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 #include "content/renderer/pepper/plugin_delegate.h"
 #include "content/renderer/pepper/plugin_module.h"
 #include "content/renderer/pepper/resource_helper.h"
 #include "net/base/escape.h"
 #include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_file_io.h"
 #include "ppapi/shared_impl/file_type_conversion.h"
 #include "ppapi/shared_impl/time_conversion.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_file_system_api.h"
 #include "url/gurl.h"
 #include "webkit/common/fileapi/directory_entry.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 using ppapi::HostResource;
@@ skipping 425 matching lines @@
 
   if (!file_system_) {
     // External file system
     // We have to do something totally different for external file systems.
 
     // TODO(teravest): Use the SequencedWorkerPool instead.
     scoped_refptr<base::TaskRunner> task_runner =
         plugin_instance->delegate()->GetFileThreadMessageLoopProxy();
     if (!plugin_instance->delegate()->AsyncOpenFile(
             GetSystemPath(),
-            base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ,
+            PP_FILEOPENFLAG_READ,
             base::Bind(&QueryCallback, task_runner, info, callback)))
       return PP_ERROR_FAILED;
   } else {
     // Non-external file system
     if (!HasValidFileSystem())
       return PP_ERROR_NOACCESS;
 
     PepperPluginInstanceImpl* plugin_instance =
         ResourceHelper::GetPluginInstance(this);
     PluginDelegate* delegate =
@@ skipping 34 matching lines @@
   // be dangerous.
   plugin_instance->delegate()->ReadDirectoryEntries(
       GetFileSystemURL(),
       base::Bind(&DidReadDirectory,
                  callback, base::Unretained(this), files, file_types),
       base::Bind(&DidFinishFileOperation, callback));
   return PP_OK_COMPLETIONPENDING;
 }
 
 }  // namespace content