Remove unused WebMIMERegistry

sky/engine/platform/MIMETypeRegistry.h

Index: sky/engine/platform/MIMETypeRegistry.h
diff --git a/sky/engine/platform/MIMETypeRegistry.h b/sky/engine/platform/MIMETypeRegistry.h
index 65e1dc093f296196358a284bc3fb7ad3029ae866..0ad94c9690b82bf4643e214ab688d82b768ca453 100644
--- a/sky/engine/platform/MIMETypeRegistry.h
+++ b/sky/engine/platform/MIMETypeRegistry.h
@@ -35,32 +35,8 @@ namespace blink {
 
 class PLATFORM_EXPORT MIMETypeRegistry {
 public:
-    static String getMIMETypeForExtension(const String& extension);
-    static String getWellKnownMIMETypeForExtension(const String& extension);
-
-    static String getMIMETypeForPath(const String& path);
-
-    // Check to see if a mime type is suitable for being loaded inline as an
-    // image (e.g., <img> tags).
-    static bool isSupportedImageMIMEType(const String& mimeType);
-
-    // Check to see if a mime type is suitable for being loaded as an image
-    // document in a frame.
-    static bool isSupportedImageResourceMIMEType(const String& mimeType);
-
-    // Check to see if a mime type is suitable for being displayed as an image.
-    static bool isSupportedImagePrefixedMIMEType(const String& mimeType);
-
     // Check to see if a mime type is suitable for being encoded.
     static bool isSupportedImageMIMETypeForEncoding(const String& mimeType);
-
-    // Check to see if a mime type is suitable for being loaded as a JavaScript
-    // resource.
-    static bool isSupportedJavaScriptMIMEType(const String& mimeType);
-
-    // Check to see if a non-image mime type is suitable for being loaded as a
-    // document in a frame. Includes supported JavaScript MIME types.
-    static bool isSupportedNonImageMIMEType(const String& mimeType);
 };
 
 } // namespace blink