Disable InstantTest.OnCancelEvent and InstantTest.PreloadsInstant

BUG=91891

Review URL: https://chromiumcodereview.appspot.com/10332245

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137855 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/instant/instant_browsertest.cc

@@ -327,7 +327,7 @@ IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE(OnSubmitEvent)) {
 }
 
 // Verify that the oncancel event is dispatched upon losing focus.
-IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE(OnCancelEvent)) {
+IN_PROC_BROWSER_TEST_F(InstantTest, DISABLED_OnCancelEvent) {
   ASSERT_TRUE(test_server()->Start());
   EnableInstant();
   SetupInstantProvider("instant.html");
@@ -728,7 +728,7 @@ IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE(DontPersistSearchbox)) {
 // Tests that instant search is preloaded whenever the omnibox gets focus.
 // PreloadsInstant fails on linux_chromeos trybots all the time, possibly
 // because of http://crbug.com/80118.
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_MACOSX)
 IN_PROC_BROWSER_TEST_F(InstantTest, DISABLED_PreloadsInstant) {
 #else
 IN_PROC_BROWSER_TEST_F(InstantTest, MAYBE(PreloadsInstant)) {