Enable websocket filtering via SubresourceFilter

third_party/WebKit/Source/core/loader/SubresourceFilter.h

 // Copyright 2017 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 SubresourceFilter_h
 #define SubresourceFilter_h
 
 #include <memory>
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/SecurityViolationReportingPolicy.h"
+#include "public/platform/WebDocumentSubresourceFilter.h"
 #include "public/platform/WebURLRequest.h"
 
 namespace blink {
 
 class DocumentLoader;
 class KURL;
-class WebDocumentSubresourceFilter;
 
 // Wrapper around a WebDocumentSubresourceFilter. This class will make it easier
 // to extend the subresource filter with optimizations only possible using blink
 // types (e.g. a caching layer using StringImpl).
 class CORE_EXPORT SubresourceFilter final
     : public GarbageCollectedFinalized<SubresourceFilter> {
  public:
   static SubresourceFilter* create(
       DocumentLoader*,
       std::unique_ptr<WebDocumentSubresourceFilter>);
   ~SubresourceFilter();
 
   bool allowLoad(const KURL& resourceUrl,
                  WebURLRequest::RequestContext,
                  SecurityViolationReportingPolicy);
+  bool allowWebSocketConnection(const KURL& resourceUrl);
 
   DEFINE_INLINE_TRACE() { visitor->trace(m_documentLoader); }
 
  private:
   SubresourceFilter(DocumentLoader*,
                     std::unique_ptr<WebDocumentSubresourceFilter>);
 
+  void reportLoad(WebDocumentSubresourceFilter::LoadPolicy);
+
   Member<DocumentLoader> m_documentLoader;
   std::unique_ptr<WebDocumentSubresourceFilter> m_subresourceFilter;
 };
 
 }  // namespace blink
 
 #endif  // SubresourceFilter_h