MediaSourcePlayer implements IsTypeSupported().

media/base/android/java/src/org/chromium/media/MediaDrmBridge.java

Index: media/base/android/java/src/org/chromium/media/MediaDrmBridge.java
diff --git a/media/base/android/java/src/org/chromium/media/MediaDrmBridge.java b/media/base/android/java/src/org/chromium/media/MediaDrmBridge.java
index 717b9f2642da174f03e40e0726c14d6d8b353cf0..3e80cd8e18901041497e20c27cad1a0e9aa68df5 100644
--- a/media/base/android/java/src/org/chromium/media/MediaDrmBridge.java
+++ b/media/base/android/java/src/org/chromium/media/MediaDrmBridge.java
@@ -87,6 +87,13 @@ class MediaDrmBridge {
         return session;
     }
 
+    @CalledByNative
+    private static boolean isCryptoSchemeSupported(byte[] schemeUUID, String containerMimeType) {
+        UUID cryptoScheme = getUUIDFromBytes(schemeUUID);
+        // TODO(xhwang): Test |containerMimeType| on latest image.
+        return MediaDrm.isCryptoSchemeSupported(cryptoScheme/*, containerMimeType*/);
+    }
+
     /**
      * Create a new MediaDrmBridge from the crypto scheme UUID.
      *