MediaSourcePlayer implements IsTypeSupported().

media/base/android/media_codec_bridge.cc

Index: media/base/android/media_codec_bridge.cc
diff --git a/media/base/android/media_codec_bridge.cc b/media/base/android/media_codec_bridge.cc
index bb5ddccfd7e5a239961ba4761ee8903da0a84e56..c3e2db8a4902fd00e1ac30eee1cc42bf625fd2f4 100644
--- a/media/base/android/media_codec_bridge.cc
+++ b/media/base/android/media_codec_bridge.cc
@@ -72,14 +72,21 @@ bool MediaCodecBridge::IsAvailable() {
   return base::android::BuildInfo::GetInstance()->sdk_int() >= 16;
 }
 
+// static
+bool MediaCodecBridge::CanPlayType(const char* mime, bool secure) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  return !Java_MediaCodecBridge_create(env, j_mime.obj(), secure).is_null();
+}
+
+// TODO(xhwang): Support creating secure MediaCodecBridge.
 MediaCodecBridge::MediaCodecBridge(const char* mime) {
   JNIEnv* env = AttachCurrentThread();
   CHECK(env);
   DCHECK(mime);
 
-  ScopedJavaLocalRef<jstring> j_type = ConvertUTF8ToJavaString(env, mime);
-  j_media_codec_.Reset(Java_MediaCodecBridge_create(
-      env, j_type.obj()));
+  ScopedJavaLocalRef<jstring> j_mime = ConvertUTF8ToJavaString(env, mime);
+  j_media_codec_.Reset(Java_MediaCodecBridge_create(env, j_mime.obj(), false));
 }
 
 MediaCodecBridge::~MediaCodecBridge() {