Remove most of the media stack.

sky/engine/platform/MIMETypeRegistry.cpp

 /*
  * Copyright (c) 2008, 2009, 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 80 matching lines @@
     return blink::Platform::current()->mimeRegistry()->supportsJavaScriptMIMEType(mimeType.lower())
         != blink::WebMimeRegistry::IsNotSupported;
 }
 
 bool MIMETypeRegistry::isSupportedNonImageMIMEType(const String& mimeType)
 {
     return blink::Platform::current()->mimeRegistry()->supportsNonImageMIMEType(mimeType.lower())
         != blink::WebMimeRegistry::IsNotSupported;
 }
 
-bool MIMETypeRegistry::isSupportedMediaSourceMIMEType(const String& mimeType, const String& codecs)
-{
-    return !mimeType.isEmpty()
-        && blink::Platform::current()->mimeRegistry()->supportsMediaSourceMIMEType(mimeType.lower(), codecs);
-}
-
-bool MIMETypeRegistry::isSupportedEncryptedMediaMIMEType(const String& keySystem, const String& mimeType, const String& codecs)
-{
-    // Key system names are case-sensitive!
-    return blink::Platform::current()->mimeRegistry()->supportsEncryptedMediaMIMEType(keySystem, mimeType.lower(), codecs);
-}
-
 } // namespace blink