To M56: Fix mimetype mappings for FLAC support.

content/browser/media/media_browsertest.cc

Index: content/browser/media/media_browsertest.cc
diff --git a/content/browser/media/media_browsertest.cc b/content/browser/media/media_browsertest.cc
index 633b562b883c7e7d93d130d3e17f991352cd2de3..d2e83ce3fd864023d9914330f3df3f822d2d5d7f 100644
--- a/content/browser/media/media_browsertest.cc
+++ b/content/browser/media/media_browsertest.cc
@@ -220,13 +220,12 @@ IN_PROC_BROWSER_TEST_P(MediaTest, VideoBear3gpAmrnbMpeg4) {
 IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearWavGsmms) {
   PlayAudio("bear_gsm_ms.wav", GetParam());
 }
-
-IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearFlac) {
-  PlayAudio("bear.flac", GetParam());
-}
 #endif  // defined(USE_PROPRIETARY_CODECS)
 #endif  // defined(OS_CHROMEOS)
 
+IN_PROC_BROWSER_TEST_P(MediaTest, AudioBearFlac) {
+  PlayAudio("bear.flac", GetParam());
+}
 
 IN_PROC_BROWSER_TEST_P(MediaTest, VideoBearWavAlaw) {
   PlayAudio("bear_alaw.wav", GetParam());