Disable capture test for FrameRate on Windows.

Flaky on Windows, has been for a while.

R=kjellander@webrtc.org
TBR=mflodman@webrtc.org
BUG=3270

Review URL: https://webrtc-codereview.appspot.com/19389004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5994 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/video_capture/test/video_capture_unittest.cc b/modules/video_capture/test/video_capture_unittest.cc
index bf3be83..4c2263d 100644
--- a/modules/video_capture/test/video_capture_unittest.cc
+++ b/modules/video_capture/test/video_capture_unittest.cc
@@ -25,6 +25,7 @@
 #include "webrtc/system_wrappers/interface/scoped_refptr.h"
 #include "webrtc/system_wrappers/interface/sleep.h"
 #include "webrtc/system_wrappers/interface/tick_util.h"
+#include "webrtc/test/testsupport/gtest_disable.h"
 
 using webrtc::CriticalSectionWrapper;
 using webrtc::CriticalSectionScoped;
@@ -550,7 +551,8 @@
 }
 
 // Test frame rate and no picture alarm.
-TEST_F(VideoCaptureExternalTest , FrameRate) {
+// Flaky on Win32, see webrtc:3270.
+TEST_F(VideoCaptureExternalTest, DISABLED_ON_WIN(FrameRate)) {
   int64_t testTime = 3;
   TickTime startTime = TickTime::Now();