Block renderer-initiated main frame navigations to data URLs

third_party/WebKit/Source/web/LocalFrameClientImpl.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 150 matching lines @@
       WebMediaPlayerClient*) override;
   WebRemotePlaybackClient* createWebRemotePlaybackClient(
       HTMLMediaElement&) override;
   ObjectContentType getObjectContentType(
       const KURL&,
       const WTF::String& mimeType,
       bool shouldPreferPlugInsForImages) override;
   void didChangeScrollOffset() override;
   void didUpdateCurrentHistoryItem() override;
 
+  bool allowContentInitiatedDataUrlNavigations(const KURL&) override;
+
   WebCookieJar* cookieJar() const override;
   void frameFocused() const override;
   void didChangeName(const String&) override;
   void didEnforceInsecureRequestPolicy(WebInsecureRequestPolicy) override;
   void didUpdateToUniqueOrigin() override;
   void didChangeSandboxFlags(Frame* childFrame, SandboxFlags) override;
   void didSetFeaturePolicyHeader(
       const WebParsedFeaturePolicy& parsedHeader) override;
   void didAddContentSecurityPolicies(
       const blink::WebVector<WebContentSecurityPolicy>&) override;
@@ skipping 51 matching lines @@
 
 DEFINE_TYPE_CASTS(LocalFrameClientImpl,
                   LocalFrameClient,
                   client,
                   client->isLocalFrameClientImpl(),
                   client.isLocalFrameClientImpl());
 
 }  // namespace blink
 
 #endif