FileAPI: Change FileSystemBackend::OpenFileSystem signature

webkit/browser/fileapi/test_file_system_backend.cc

Index: webkit/browser/fileapi/test_file_system_backend.cc
diff --git a/webkit/browser/fileapi/test_file_system_backend.cc b/webkit/browser/fileapi/test_file_system_backend.cc
index 700cc0de2a2dfe5e9dedc7d1561617a643d700cd..b20ce34b6aa9e7c554f60ea8ad82c0d225ae1a1b 100644
--- a/webkit/browser/fileapi/test_file_system_backend.cc
+++ b/webkit/browser/fileapi/test_file_system_backend.cc
@@ -148,11 +148,12 @@ bool TestFileSystemBackend::CanHandleType(FileSystemType type) const {
   return (type == kFileSystemTypeTest);
 }
 
-void TestFileSystemBackend::OpenFileSystem(
+void TestFileSystemBackend::InitializeFileSystem(
     const GURL& origin_url,
     FileSystemType type,
     OpenFileSystemMode mode,
-    const OpenFileSystemCallback& callback) {
+    FileSystemContext* context,
+    const InitializeFileSystemCallback& callback) {
   callback.Run(GetFileSystemRootURI(origin_url, type),
                GetFileSystemName(origin_url, type),
                base::PLATFORM_FILE_OK);