Disable CreateAndReleaseOutputSurface test on windows as it's flaky.

ui/compositor/compositor_unittest.cc

 // Copyright 2015 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 "base/macros.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/test/begin_frame_args_test.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 76 matching lines @@
 }
 
 TEST_F(CompositorTest, ReleaseWidgetWithOutputSurfaceNeverCreated) {
   compositor()->SetVisible(false);
   EXPECT_EQ(gfx::kNullAcceleratedWidget,
             compositor()->ReleaseAcceleratedWidget());
   compositor()->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
   compositor()->SetVisible(true);
 }
 
-TEST_F(CompositorTest, CreateAndReleaseOutputSurface) {
+#if defined(OS_WIN)
+// TODO(crbug.com/608436): Flaky on windows trybots
+#define MAYBE_CreateAndReleaseOutputSurface \
+  DISABLED_CreateAndReleaseOutputSurface
+#else
+#define MAYBE_CreateAndReleaseOutputSurface CreateAndReleaseOutputSurface
+#endif
+TEST_F(CompositorTest, MAYBE_CreateAndReleaseOutputSurface) {
   std::unique_ptr<Layer> root_layer(new Layer(ui::LAYER_SOLID_COLOR));
   root_layer->SetBounds(gfx::Rect(10, 10));
   compositor()->SetRootLayer(root_layer.get());
   compositor()->SetScaleAndSize(1.0f, gfx::Size(10, 10));
   DCHECK(compositor()->IsVisible());
   compositor()->ScheduleDraw();
   DrawWaiterForTest::WaitForCompositingEnded(compositor());
   compositor()->SetVisible(false);
   EXPECT_EQ(gfx::kNullAcceleratedWidget,
             compositor()->ReleaseAcceleratedWidget());
   compositor()->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
   compositor()->SetVisible(true);
   compositor()->ScheduleDraw();
   DrawWaiterForTest::WaitForCompositingEnded(compositor());
   compositor()->SetRootLayer(nullptr);
 }
 
 }  // namespace ui