Extend simple_file_system to use SandboxedFileSystemOperation

webkit/tools/test_shell/test_shell.h

Index: webkit/tools/test_shell/test_shell.h
diff --git a/webkit/tools/test_shell/test_shell.h b/webkit/tools/test_shell/test_shell.h
index 7c320a2878bc18a67f4e00665e5c862a7a249cea..048c5fff0627b5ec8a82f41375841f6257cae1bd 100644
--- a/webkit/tools/test_shell/test_shell.h
+++ b/webkit/tools/test_shell/test_shell.h
@@ -351,10 +351,6 @@ public:
       test_params_ = test_params;
     }
 
-    const FilePath& file_system_root() const {
-      return file_system_root_.path();
-    }
-
 #if defined(OS_MACOSX)
     // handle cleaning up a shell given the associated window
     static void DestroyAssociatedShell(gfx::NativeWindow handle);
@@ -460,9 +456,6 @@ private:
     scoped_ptr<WebKit::WebSpeechInputControllerMock>
         speech_input_controller_mock_;
 
-    // A temporary directory for FileSystem API.
-    ScopedTempDir file_system_root_;
-
     const TestParams* test_params_;
 
     // True while a test is preparing to run