Remove prefixed EME.

third_party/WebKit/Source/modules/mediasource/MediaSource.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 233 matching lines @@
     String codecs = contentType.parameter("codecs");
 
     // 2. If type does not contain a valid MIME type string, then return false.
     if (contentType.type().isEmpty()) {
         WTF_LOG(Media, "MediaSource::isTypeSupported(%s) -> false (invalid mime type)", type.ascii().data());
         return false;
     }
 
     // Note: MediaSource.isTypeSupported() returning true implies that HTMLMediaElement.canPlayType() will return "maybe" or "probably"
     // since it does not make sense for a MediaSource to support a type the HTMLMediaElement knows it cannot play.
-    if (HTMLMediaElement::supportsType(contentType, String()) == WebMimeRegistry::IsNotSupported) {
+    if (HTMLMediaElement::supportsType(contentType) == WebMimeRegistry::IsNotSupported) {
         WTF_LOG(Media, "MediaSource::isTypeSupported(%s) -> false (not supported by HTMLMediaElement)", type.ascii().data());
         return false;
     }
 
     // 3. If type contains a media type or media subtype that the MediaSource does not support, then return false.
     // 4. If type contains at a codec that the MediaSource does not support, then return false.
     // 5. If the MediaSource does not support the specified combination of media type, media subtype, and codecs then return false.
     // 6. Return true.
     bool result = MIMETypeRegistry::isSupportedMediaSourceMIMEType(contentType.type(), codecs);
     WTF_LOG(Media, "MediaSource::isTypeSupported(%s) -> %s", type.ascii().data(), result ? "true" : "false");
@@ skipping 350 matching lines @@
 
     m_asyncEventQueue->enqueueEvent(event.release());
 }
 
 URLRegistry& MediaSource::registry() const
 {
     return MediaSourceRegistry::registry();
 }
 
 } // namespace blink