Tentatively reenable MediaTest.VideoTulipWebm on Mac.

content/browser/media_browsertest.cc

Index: content/browser/media_browsertest.cc
diff --git a/content/browser/media_browsertest.cc b/content/browser/media_browsertest.cc
index 41f3ac3beec234e4e82b46b22af5c08d1f0a7624..ce46ef28704368ce198c0537eefc1b63b5fa7efb 100644
--- a/content/browser/media_browsertest.cc
+++ b/content/browser/media_browsertest.cc
@@ -148,16 +148,9 @@ IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearWavPcm) {
   PlayAudio("bear_pcm.wav", GetParam());
 }
 
-#if defined(OS_MACOSX)
-// TODO(dalecurtis): Flaky on Mac 10.6.  http://crbug.com/142896
-IN_PROC_BROWSER_TEST_P(MediaTest, FLAKY_VideoTulipWebm) {
-  PlayVideo("tulip2.webm", GetParam());
-}
-#else
 IN_PROC_BROWSER_TEST_P(MediaTest, VideoTulipWebm) {
   PlayVideo("tulip2.webm", GetParam());
 }
-#endif
 
 INSTANTIATE_TEST_CASE_P(File, MediaTest, ::testing::Values(false));
 INSTANTIATE_TEST_CASE_P(Http, MediaTest, ::testing::Values(true));