Disable PlatformDisplayDefaultTest.EventDispatch.

services/ui/ws/platform_display_default_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/ui/ws/platform_display_default.h"
 
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/cursor/image_cursors.h"
 #include "ui/display/types/native_display_delegate.h"
@@ skipping 81 matching lines @@
       override {
     return nullptr;
   }
   void InitializeUI(const InitParams& params) override {}
   void InitializeGPU(const InitParams& params) override {}
 
  private:
   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;
 
   // Create the display.
   display::ViewportMetrics metrics;
   metrics.bounds_in_pixels = gfx::Rect(1024, 768);
   metrics.device_scale_factor = 1.f;
   metrics.ui_scale_factor = 1.f;
   PlatformDisplayDefault display(nullptr, metrics,
                                  std::unique_ptr<ImageCursors>());
@@ skipping 31 matching lines @@
   // Releasing the key dispatches exactly one event.
   KeyEvent key_released(ET_KEY_RELEASED, VKEY_A, EF_NONE);
   display_for_dispatch->DispatchEvent(&key_released);
   EXPECT_EQ(1, event_sink.count_);
   EXPECT_EQ(ET_KEY_RELEASED, event_sink.last_event_type_);
 }
 
 }  // namespace
 }  // namespace ws
 }  // namespace ui