Disable InlineLoginUISafeIframeBrowserTest.LoadSuccessContinueURL. Flaky.

chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc

Index: chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc b/chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc
index 3cfad7ed6ea0591fc03c3a0875f6c61a8657de2a..34325a271b893c2aa5881ea54c07884c91fbd472 100644
--- a/chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_ui_browsertest.cc
@@ -866,9 +866,10 @@ IN_PROC_BROWSER_TEST_F(InlineLoginUISafeIframeBrowserTest, NoWebUIInIframe) {
 }
 
 // Make sure that "success.html" can be loaded by chrome://chrome-signin.
-// http://crbug.com/709117
+// http://crbug.com/709117.
+// Flaky on Linux and Mac. http://crbug.com/722164.
 IN_PROC_BROWSER_TEST_F(InlineLoginUISafeIframeBrowserTest,
-                       LoadSuccessContinueURL) {
+                       DISABLED_LoadSuccessContinueURL) {
   ui_test_utils::NavigateToURL(browser(), GetSigninPromoURL());
   WaitUntilUIReady(browser());