Support FileSystem URL in File object

webkit/glue/resource_loader_bridge.h

Index: webkit/glue/resource_loader_bridge.h
diff --git a/webkit/glue/resource_loader_bridge.h b/webkit/glue/resource_loader_bridge.h
index 70db933767cda47e9f01be9c883245708b7aa6b3..88fb1d51190d3e7367f79ba15d5c473cff65bba3 100644
--- a/webkit/glue/resource_loader_bridge.h
+++ b/webkit/glue/resource_loader_bridge.h
@@ -370,6 +370,15 @@ class ResourceLoaderBridge {
   // to the request body.  May only be used with HTTP(S) POST requests.
   virtual void AppendBlobToUpload(const GURL& blob_url) = 0;
 
+  // Call this method before calling Start() to append the contents of a file
+  // specified by FileSYstem URL to the request body.  May only be used with
+  // HTTP(S) POST requests.
+  virtual void AppendFileSystemFileRangeToUpload(
+      const GURL& url,
+      uint64 offset,
+      uint64 length,
+      const base::Time& expected_modification_time) = 0;
+
   // Call this method before calling Start() to assign an upload identifier to
   // this request.  This is used to enable caching of POST responses.  A value
   // of 0 implies the unspecified identifier.