Use TimeDelta for Chrome Frame test's TimedMsgLoop.

chrome_frame/test/mock_ie_event_sink_test.h

Index: chrome_frame/test/mock_ie_event_sink_test.h
diff --git a/chrome_frame/test/mock_ie_event_sink_test.h b/chrome_frame/test/mock_ie_event_sink_test.h
index 721a157792fd3c9d560dad19ea45337efdc6d66f..8770775de5a03aa82e8b75e5d931d7b18c131606 100644
--- a/chrome_frame/test/mock_ie_event_sink_test.h
+++ b/chrome_frame/test/mock_ie_event_sink_test.h
@@ -292,7 +292,8 @@ class MockIEEventSinkTest {
   void LaunchIEAndNavigate(const std::wstring& url);
 
   // Same as above but allows the timeout to be specified.
-  void LaunchIENavigateAndLoop(const std::wstring& url, int timeout);
+  void LaunchIENavigateAndLoop(const std::wstring& url,
+                               base::TimeDelta timeout);
 
   // Returns the url for the test file given. |relative_path| should be
   // relative to the test data directory.