Add GSM_MS and PCM_ALAW codecs to CrOS FFMPEG.

content/browser/media_browsertest.cc

Index: content/browser/media_browsertest.cc
===================================================================
--- content/browser/media_browsertest.cc	(revision 148920)
+++ content/browser/media_browsertest.cc	(working copy)
@@ -91,18 +91,22 @@
   PlayVideo("bear_mpeg4_amrnb.3gp");
 }
 
-// TODO(ihf): Enable these audio codecs for CrOS.
-// IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearWavAlaw) {
-//   PlayVideo("bear_alaw.wav");
-// }
-// IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearWavGsmms) {
-//   PlayVideo("bear_gsmms.wav");
-// }
+IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearWavGsmms) {
+  PlayAudio("bear_gsm_ms.wav");
+}
 
 IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearWavMulaw) {
   PlayAudio("bear_mulaw.wav");
 }
 
+IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearMovPcmS16be) {
+  PlayVideo("bear_pcm_s16be.mov");
+}
+
+IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearMovPcmS24be) {
+  PlayVideo("bear_pcm_s24be.mov");
+}
+
 IN_PROC_BROWSER_TEST_F(MediaTest, VideoBearFlac) {
   PlayAudio("bear.flac");
 }