An attempt to fix the flakiness with the ChromeFrame Javascript window open test on IE9.

We receive multiple NavigateComplete notifications at times.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5703005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69070 0039d316-1c4b-4281-b951-d872f2087c98

chrome_frame/test/mock_ie_event_sink_test.cc

@@ -94,7 +94,7 @@ ExpectationSet MockIEEventSink::ExpectNavigationCardinality(
 
 void MockIEEventSink::ExpectNavigation(bool is_cf, const std::wstring& url) {
   InSequence expect_in_sequence_for_scope;
-  if (is_cf) {
+  if (is_cf || GetInstalledIEVersion() == IE_9) {
     ExpectNavigationCardinality(url, Exactly(1), testing::Between(1, 2));
   } else {
     ExpectNavigationCardinality(url, Exactly(1), Exactly(1));