Isolated FS for media devices.

webkit/fileapi/file_system_context.h

Index: webkit/fileapi/file_system_context.h
diff --git a/webkit/fileapi/file_system_context.h b/webkit/fileapi/file_system_context.h
index 12906a977a0dd05bfbfe704a93e2ebe84916cb8f..b3fc479c41ac458a613940cda10f45c98f91ab64 100644
--- a/webkit/fileapi/file_system_context.h
+++ b/webkit/fileapi/file_system_context.h
@@ -82,10 +82,9 @@ class FILEAPI_EXPORT FileSystemContext
   // it is not a quota-managed storage.
   FileSystemQuotaUtil* GetQuotaUtil(FileSystemType type) const;
 
-  // Returns the appropriate FileUtil instance for the given |type|.
-  // This may return NULL if it is given an invalid or unsupported filesystem
-  // type.
-  FileSystemFileUtil* GetFileUtil(FileSystemType type) const;
+  // Returns the appropriate FileUtil instance for the given |url|.
+  // This may return NULL if it is given an invalid or unsupported filesystem.
+  FileSystemFileUtil* GetFileUtil(const FileSystemURL& url ) const;
 
   // Returns the mount point provider instance for the given |type|.
   // This may return NULL if it is given an invalid or unsupported filesystem