Disable PlatformDisplayDefaultTest.EventDispatch.

services/ui/ws/platform_display_default_unittest.cc

Index: services/ui/ws/platform_display_default_unittest.cc
diff --git a/services/ui/ws/platform_display_default_unittest.cc b/services/ui/ws/platform_display_default_unittest.cc
index d7e72ffe949c8b4274587cb031eca0ab78862cf2..bc3b399c74196f663236d9ae376c27ca44ccd810 100644
--- a/services/ui/ws/platform_display_default_unittest.cc
+++ b/services/ui/ws/platform_display_default_unittest.cc
@@ -99,7 +99,11 @@ class TestOzonePlatform : public OzonePlatform {
   DISALLOW_COPY_AND_ASSIGN(TestOzonePlatform);
 };
 
-TEST(PlatformDisplayDefaultTest, EventDispatch) {
+// Test fails in part because services_unittests appears to have its own ozone
+// platform that it initializes. For some reason, this only started failing
+// locally and on the trybots on 06/13/2017, while passing when run on the CQ
+// and the builders. crbug.com/732987
+TEST(PlatformDisplayDefaultTest, DISABLED_EventDispatch) {
   // Setup ozone so the display can be initialized.
   TestOzonePlatform platform;