Disable WebNavigationApiTest.Failures for flakiness.

Failing on the ChromiumOS Dbg Bots.

BUG=141497,139117
TEST=none
TBR=jochen

Review URL: https://chromiumcodereview.appspot.com/10837188

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150813 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/web_navigation/web_navigation_apitest.cc

@@ -424,10 +424,11 @@ IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, SimpleLoad) {
       RunExtensionSubtest("webnavigation", "test_simpleLoad.html")) << message_;
 }
 
-IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, Failures) {
-  ASSERT_TRUE(
-      RunExtensionSubtest("webnavigation", "test_failures.html")) << message_;
-}
+//TODO(jochen): Flakily failing after http://crrev.com/150796.
+//IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, Failures) {
+//  ASSERT_TRUE(
+//      RunExtensionSubtest("webnavigation", "test_failures.html")) << message_;
+//}
 
 IN_PROC_BROWSER_TEST_F(WebNavigationApiTest, FilteredTest) {
   ASSERT_TRUE(