Disable flaky InstantExtendedTest

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

Index: chrome/browser/ui/search/instant_extended_interactive_uitest.cc
diff --git a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
index b12df60f3a5428b565fce8234d64754c713bd85b..a3f8867c160b78d186a5eebca220ea2585f25a72 100644
--- a/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
+++ b/chrome/browser/ui/search/instant_extended_interactive_uitest.cc
@@ -593,16 +593,11 @@ IN_PROC_BROWSER_TEST_F(InstantPolicyTest,
   EXPECT_EQ(2, on_theme_changed_calls);
 }
 
-// Flaky on Mac and Linux Tests bots.
-#if defined(OS_MACOSX) || defined(OS_LINUX)
-#define MAYBE_UpdateSearchQueryOnBackNavigation DISABLED_UpdateSearchQueryOnBackNavigation
-#else
-#define MAYBE_UpdateSearchQueryOnBackNavigation UpdateSearchQueryOnBackNavigation
-#endif
+// Flaky on all bots.  http://crbug.com/253092
 // Test to verify that the omnibox search query is updated on browser
 // back button press event.
 IN_PROC_BROWSER_TEST_F(InstantExtendedTest,
-                       MAYBE_UpdateSearchQueryOnBackNavigation) {
+                       DISABLED_UpdateSearchQueryOnBackNavigation) {
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
 
   // Focus omnibox and confirm overlay isn't shown.