PPAPI: Add new PPB_FileRef.MakeDirectory to support exclusive operation

content/browser/renderer_host/pepper/pepper_file_ref_host.cc

 // Copyright 2013 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/browser/renderer_host/pepper/pepper_file_ref_host.h"
 
 #include <string>
 
 #include "content/browser/renderer_host/pepper/pepper_external_file_ref_backend.h"
 #include "content/browser/renderer_host/pepper/pepper_file_system_browser_host.h"
@@ skipping 162 matching lines @@
         OnReadDirectoryEntries);
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_FileRef_GetAbsolutePath,
                                         OnGetAbsolutePath);
 
   IPC_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
 
 int32_t PepperFileRefHost::OnMakeDirectory(
     ppapi::host::HostMessageContext* context,
+    bool exclusive,
     bool make_ancestors) {
   int32_t rv = CanCreate();
   if (rv != PP_OK)
     return rv;
   return backend_->MakeDirectory(context->MakeReplyMessageContext(),
-                                 make_ancestors);
+                                 exclusive, make_ancestors);
 }
 
 int32_t PepperFileRefHost::OnTouch(ppapi::host::HostMessageContext* context,
                                    PP_Time last_access_time,
                                    PP_Time last_modified_time) {
   // TODO(teravest): Change this to be kWriteFilePermissions here and in
   // fileapi_message_filter.
   int32_t rv = CanCreate();
   if (rv != PP_OK)
     return rv;
@@ skipping 51 matching lines @@
 
 int32_t PepperFileRefHost::OnGetAbsolutePath(
     ppapi::host::HostMessageContext* context) {
   if (!host_->GetPpapiHost()->permissions().HasPermission(
       ppapi::PERMISSION_PRIVATE))
     return PP_ERROR_NOACCESS;
   return backend_->GetAbsolutePath(context->MakeReplyMessageContext());
 }
 
 }  // namespace content