Disabled DesktopMediaPickerViewsTest.DoneCallbackCalledOnOkButtonPressed test on Windows

chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc

Index: chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc
diff --git a/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc b/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc
index 7e2529ee101f44f42530d0c4b0d289cc91d6476a..7238e8e0713fabeeb88a4942c1645e336fc8f0f6 100644
--- a/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc
+++ b/chrome/browser/ui/views/desktop_capture/desktop_media_picker_views_unittest.cc
@@ -99,7 +99,14 @@ TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledWhenWindowClosed) {
   base::RunLoop().RunUntilIdle();
 }
 
-TEST_F(DesktopMediaPickerViewsTest, DoneCallbackCalledOnOkButtonPressed) {
+// Flaky on Windows. https://crbug.com/644614
+#if defined(OS_WIN)
+#define MAYBE_DoneCallbackCalledOnOkButtonPressed DISABLED_DoneCallbackCalledOnOkButtonPressed
+#else
+#define MAYBE_DoneCallbackCalledOnOkButtonPressed DoneCallbackCalledOnOkButtonPressed
+#endif
+
+TEST_F(DesktopMediaPickerViewsTest, MAYBE_DoneCallbackCalledOnOkButtonPressed) {
   const DesktopMediaID kFakeId(DesktopMediaID::TYPE_WINDOW, 222);
   EXPECT_CALL(*this, OnPickerDone(kFakeId));