Enable vp09 codec string in WebM by default

media/base/mime_util_unittest.cc

Index: media/base/mime_util_unittest.cc
diff --git a/media/base/mime_util_unittest.cc b/media/base/mime_util_unittest.cc
index c682a6b397feeea862afa51a78cccff4854dd299..9d0221b690a9b5b88446d891373372cd9b24cf48 100644
--- a/media/base/mime_util_unittest.cc
+++ b/media/base/mime_util_unittest.cc
@@ -266,7 +266,6 @@ TEST(MimeUtilTest, ParseVideoCodecString) {
   }
 
   // Valid VP9 string.
-  EnableNewVp9CodecStringSupport();
   EXPECT_TRUE(ParseVideoCodecString("video/webm", "vp09.00.10.08",
                                     &out_is_ambiguous, &out_codec, &out_profile,
                                     &out_level, &out_colorspace));
@@ -286,9 +285,6 @@ TEST(MimeUtilTest, ParseVideoCodecString) {
   EXPECT_EQ(10, out_level);
   EXPECT_EQ(VideoColorSpace::REC601(), out_colorspace);
 
-  // Restore to avoid polluting other tests.
-  DisableNewVp9CodecStringSupport_ForTesting();
-
   // Ambiguous AVC string (when proprietary codecs are supported).
   EXPECT_EQ(
       kUsePropCodecs,
@@ -364,19 +360,6 @@ TEST(MimeUtilTest, ParseAudioCodecString) {
                                      &out_codec));
 }
 
-// See deeper string parsing testing in video_codecs_unittests.cc.
-TEST(MimeUtilTest, ExperimentalMultiPartVp9) {
-
-  // Multi-part VP9 string not enabled by default.
-  EXPECT_FALSE(IsSupportedMediaFormat("video/webm", {"vp09.00.10.08"}));
-
-  // Should work if enabled.
-  EnableNewVp9CodecStringSupport();
-  EXPECT_TRUE(IsSupportedMediaFormat("video/webm", {"vp09.00.10.08"}));
-  // Restore to avoid polluting other tests.
-  DisableNewVp9CodecStringSupport_ForTesting();
-}
-
 TEST(IsCodecSupportedOnAndroidTest, EncryptedCodecsFailWithoutPlatformSupport) {
   // Vary all parameters except |has_platform_decoders|.
   MimeUtil::PlatformInfo states_to_vary = VaryAllFields();