Add simple playback tests for WebM and MP4 files.

BUG=52866
TEST=The two new WebM tests pass in Chromium and all four new tests pass in
Chrome.

Review URL: http://codereview.chromium.org/3176035

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57319 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/media_uitest.cc

@@ -56,6 +56,24 @@ TEST_F(MediaTest, VideoBearSilentTheora) {
   PlayVideo("bear_silent.ogv");
 }
 
+TEST_F(MediaTest, VideoBearWebm) {
+  PlayVideo("bear.webm");
+}
+
+TEST_F(MediaTest, VideoBearSilentWebm) {
+  PlayVideo("bear_silent.webm");
+}
+
+#if defined(GOOGLE_CHROME_BUILD) || defined(USE_PROPRIETARY_CODECS)
+TEST_F(MediaTest, VideoBearMp4) {
+  PlayVideo("bear.mp4");
+}
+
+TEST_F(MediaTest, VideoBearSilentMp4) {
+  PlayVideo("bear_silent.mp4");
+}
+#endif
+
 TEST_F(UILayoutTest, MediaUILayoutTest) {
   static const char* kResources[] = {
     "content",