Disable ExtensionTabsTest.QueryLastFocusedWindowTabs due to flakyness.

chrome/browser/extensions/api/tabs/tabs_test.cc

Index: chrome/browser/extensions/api/tabs/tabs_test.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs_test.cc b/chrome/browser/extensions/api/tabs/tabs_test.cc
index 72cab5929bd1d90e263bfe4b9da9566ef2c13b10..c634950e1535adac2bad8db1a5e68cd60a6b3ef8 100644
--- a/chrome/browser/extensions/api/tabs/tabs_test.cc
+++ b/chrome/browser/extensions/api/tabs/tabs_test.cc
@@ -429,7 +429,8 @@ IN_PROC_BROWSER_TEST_F(ExtensionTabsTest, QueryCurrentWindowTabs) {
   }
 }
 
-IN_PROC_BROWSER_TEST_F(ExtensionTabsTest, QueryLastFocusedWindowTabs) {
+// Flaky: http://crbug.com/136562
+IN_PROC_BROWSER_TEST_F(ExtensionTabsTest, DISABLED_QueryLastFocusedWindowTabs) {
   const size_t kExtraWindows = 2;
   for (size_t i = 0; i < kExtraWindows; ++i)
     CreateBrowser(browser()->profile());