Add 4 VP9 profiles to the media::VideoCodecProfile enum.

ppapi/tests/test_video_encoder.h

Index: ppapi/tests/test_video_encoder.h
diff --git a/ppapi/tests/test_video_encoder.h b/ppapi/tests/test_video_encoder.h
index 6fb39ed17f2c92de6917f510b489b6949f23d6b8..e7508e81f5d075e7cf3a3a172d558c7febb2fe9c 100644
--- a/ppapi/tests/test_video_encoder.h
+++ b/ppapi/tests/test_video_encoder.h
@@ -23,7 +23,10 @@ class TestVideoEncoder : public TestCase {
   std::string TestAvailableCodecs();
   std::string TestIncorrectSizeFails();
   std::string TestInitializeVP8();
-  std::string TestInitializeVP9();
+  std::string TestInitializeVP9_Profile0();
+  std::string TestInitializeVP9_Profile1();
+  std::string TestInitializeVP9_Profile2();
+  std::string TestInitializeVP9_Profile3();
 
   std::string TestInitializeCodec(PP_VideoProfile profile);