Block renderer-initiated main frame navigations to data URLs

third_party/WebKit/Source/platform/network/NetworkUtils.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NetworkUtils_h
 #define NetworkUtils_h
 
 #include "platform/PlatformExport.h"
 #include "platform/wtf/Forward.h"
 
@@ skipping 16 matching lines @@
 
 PLATFORM_EXPORT String GetDomainAndRegistry(const String& host,
                                             PrivateRegistryFilter);
 
 // Returns the decoded data url as ResourceResponse and SharedBuffer
 // if url had a supported mimetype and parsing was successful.
 PLATFORM_EXPORT PassRefPtr<SharedBuffer> ParseDataURLAndPopulateResponse(
     const KURL&,
     ResourceResponse&);
 
+// Returns true if the URL is a data URL and its MIME type is in the list of
+// supported/recognized MIME types.
+PLATFORM_EXPORT bool IsDataURLMimeTypeSupported(const KURL&);
+
 PLATFORM_EXPORT bool IsRedirectResponseCode(int);
 
 }  // NetworkUtils
 
 }  // namespace blink
 
 #endif  // NetworkUtils_h