Remove unused WebMIMERegistry

sky/engine/platform/graphics/Image.cpp

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 55 matching lines @@
 {
     const WebData& resource = Platform::current()->loadResource(name);
     if (resource.isEmpty())
         return Image::nullImage();
 
     RefPtr<Image> image = BitmapImage::create();
     image->setData(resource, true);
     return image.release();
 }
 
-bool Image::supportsType(const String& type)
-{
-    return MIMETypeRegistry::isSupportedImageResourceMIMEType(type);
-}
-
 bool Image::setData(PassRefPtr<SharedBuffer> data, bool allDataReceived)
 {
     m_encodedImageData = data;
     if (!m_encodedImageData.get())
         return true;
 
     int length = m_encodedImageData->size();
     if (!length)
         return true;
 
@@ skipping 147 matching lines @@
 }
 
 PassRefPtr<Image> Image::imageForDefaultFrame()
 {
     RefPtr<Image> image(this);
 
     return image.release();
 }
 
 } // namespace blink