Isolated FS for media devices.

webkit/fileapi/file_system_context.cc

Index: webkit/fileapi/file_system_context.cc
diff --git a/webkit/fileapi/file_system_context.cc b/webkit/fileapi/file_system_context.cc
index 009c073230469eaa798e95fcf0cea74399b58ef7..2b0fb4845f4b6324da1863f804e5cca3ab89b8a2 100644
--- a/webkit/fileapi/file_system_context.cc
+++ b/webkit/fileapi/file_system_context.cc
@@ -106,12 +106,12 @@ FileSystemContext::GetQuotaUtil(FileSystemType type) const {
 }
 
 FileSystemFileUtil* FileSystemContext::GetFileUtil(
-    FileSystemType type) const {
+   const FileSystemURL& url) const {
   FileSystemMountPointProvider* mount_point_provider =
-      GetMountPointProvider(type);
+      GetMountPointProvider(url.type());
   if (!mount_point_provider)
     return NULL;
-  return mount_point_provider->GetFileUtil();
+  return mount_point_provider->GetFileUtil(url);
 }
 
 FileSystemMountPointProvider* FileSystemContext::GetMountPointProvider(