Disabling chrome_frame_tests.exe ContextMenuTest.CFBackForward since it times out.

chrome_frame/test/ui_test.cc

Index: chrome_frame/test/ui_test.cc
diff --git a/chrome_frame/test/ui_test.cc b/chrome_frame/test/ui_test.cc
index b8c13c4e418537bf197a1b1c9e3bfa3a0e46c526..b9a5c97a4a8e00b70385344eba1ebce2efb1faa5 100644
--- a/chrome_frame/test/ui_test.cc
+++ b/chrome_frame/test/ui_test.cc
@@ -988,7 +988,9 @@ TEST_F(ContextMenuTest, FLAKY_CFTxtFieldRedo) {
   LaunchIEAndNavigate(context_menu_page_url);
 }
 
-TEST_F(ContextMenuTest, FLAKY_CFBackForward) {
+// Disabled because it seems to hang, causing the test process to timeout and
+// be killed; see http://crbug.com/121097.
+TEST_F(ContextMenuTest, DISABLED_CFBackForward) {
   std::wstring page1 = GetLinkPageUrl();
   std::wstring title1 = GetLinkPageTitle();
   std::wstring page2 = GetSimplePageUrl();