Disable MouseCursorMonitorTest due to flake on Windows.

TBR=sergeyu
BUG=3408

Review URL: https://webrtc-codereview.appspot.com/15589005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6256 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/desktop_capture/mouse_cursor_monitor_unittest.cc b/modules/desktop_capture/mouse_cursor_monitor_unittest.cc
index 7849005..5e24d45 100644
--- a/modules/desktop_capture/mouse_cursor_monitor_unittest.cc
+++ b/modules/desktop_capture/mouse_cursor_monitor_unittest.cc
@@ -50,7 +50,10 @@
 // tests. Figure out how to do that without breaking other tests in
 // modules_unittests and enable these tests on Mac.
 // https://code.google.com/p/webrtc/issues/detail?id=2532
-#if !defined(WEBRTC_MAC)
+//
+// Disabled on Windows due to flake, see:
+// https://code.google.com/p/webrtc/issues/detail?id=3408
+#if !defined(WEBRTC_MAC) && !defined(WEBRTC_WIN)
 #define MAYBE(x) x
 #else
 #define MAYBE(x) DISABLED_##x