Mark http/tests/security/frameNavigation/xss-ALLOWED-top-navigation-after-postMessage.html un-flaky

third_party/WebKit/LayoutTests/FlagExpectations/site-per-process

Index: third_party/WebKit/LayoutTests/FlagExpectations/site-per-process
diff --git a/third_party/WebKit/LayoutTests/FlagExpectations/site-per-process b/third_party/WebKit/LayoutTests/FlagExpectations/site-per-process
index 81f62a3c0a48496e7b9c220c58b1a3ad92688b44..500bbcba3c71e6fe8837374aa461d0adaff8bf4b 100644
--- a/third_party/WebKit/LayoutTests/FlagExpectations/site-per-process
+++ b/third_party/WebKit/LayoutTests/FlagExpectations/site-per-process
@@ -10,8 +10,8 @@ crbug.com/669083 http/tests/security/frameNavigation/xss-DENIED-top-navigation-w
 crbug.com/669083 virtual/mojo-loading/http/tests/security/frameNavigation/xss-DENIED-top-navigation-without-user-gesture.html [ Failure ]
 
 # https://crbug.com/661725 - Propagating user gesture via postMessage doesn't work for OOPIFs
-crbug.com/661725 http/tests/security/frameNavigation/xss-ALLOWED-top-navigation-after-postMessage.html [ Failure Timeout ]
-crbug.com/661725 virtual/mojo-loading/http/tests/security/frameNavigation/xss-ALLOWED-top-navigation-after-postMessage.html [ Failure Timeout ]
+crbug.com/661725 http/tests/security/frameNavigation/xss-ALLOWED-top-navigation-after-postMessage.html [ Timeout ]
+crbug.com/661725 virtual/mojo-loading/http/tests/security/frameNavigation/xss-ALLOWED-top-navigation-after-postMessage.html [ Timeout ]
 
 # https://crbug.com/582245 - no exception, b/c BindingSecurity::shouldAllowAccessTo exits early when |!target|.
 crbug.com/582245 http/tests/security/xss-DENIED-getSVGDocument-iframe.html [ Failure ]