Disabling flaky unit test.

chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc

Index: chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc
diff --git a/chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc b/chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc
index c3bc7a1fb1596c735fe7e1949f6d9b1af8f721f1..091791447f4e4243d73fedc4d02b5a562e441875 100644
--- a/chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc
+++ b/chrome/browser/notifications/notification_platform_bridge_linux_unittest.cc
@@ -182,7 +182,8 @@ class NotificationPlatformBridgeLinuxTest : public testing::Test {
 
 TEST_F(NotificationPlatformBridgeLinuxTest, SetUpAndTearDown) {}
 
-TEST_F(NotificationPlatformBridgeLinuxTest, NotifyAndCloseFormat) {
+// Frequently triggers a data race. Disabled as flaky: https://crbug.com/719485
+TEST_F(NotificationPlatformBridgeLinuxTest, DISABLED_NotifyAndCloseFormat) {
   EXPECT_CALL(*mock_notification_proxy_.get(),
               MockCallMethodAndBlock(Calls("Notify"), _))
       .WillOnce(OnNotify(1));