Adding RevokeFileSystemByPath

webkit/fileapi/isolated_file_util_unittest.cc

Index: webkit/fileapi/isolated_file_util_unittest.cc
diff --git a/webkit/fileapi/isolated_file_util_unittest.cc b/webkit/fileapi/isolated_file_util_unittest.cc
index 11a112cefaafa4e72fdf1834e5949b01402af394..ea927c377b62d95e857f5d58de5f4f22f6590d52 100644
--- a/webkit/fileapi/isolated_file_util_unittest.cc
+++ b/webkit/fileapi/isolated_file_util_unittest.cc
@@ -75,10 +75,12 @@ class IsolatedFileUtilTest : public testing::Test {
     // For cross-FileUtil copy/move tests.
     other_file_util_.reset(new LocalFileUtil());
     other_file_util_helper_.SetUp(file_system_context_, other_file_util_.get());
+
+    isolated_context()->AddReference(filesystem_id_);
   }
 
   void TearDown() {
-    isolated_context()->RevokeFileSystem(filesystem_id_);
+    isolated_context()->RemoveReference(filesystem_id_);
     other_file_util_helper_.TearDown();
   }