Extracted media mime type checks from net/base/ into media/base/

net/filter/filter.cc

Index: net/filter/filter.cc
diff --git a/net/filter/filter.cc b/net/filter/filter.cc
index b3f98cbcc6d501d9f46ba710bcf33828a770febd..ef929f7af2cb9669573f6eed9ca2e29b0c0ea1c0 100644
--- a/net/filter/filter.cc
+++ b/net/filter/filter.cc
@@ -250,7 +250,7 @@ void Filter::FixupEncodingTypes(
       // download it, and in that case, don't decompress .gz/.tgz files.
       if ((EndsWith(extension, FILE_PATH_LITERAL(".gz"), false) ||
            LowerCaseEqualsASCII(extension, ".tgz")) &&
-          !IsSupportedMimeType(mime_type))
+          !IsSupportedMimeType_deprecated(mime_type))
         encoding_types->clear();
     }
   }