Skeleton of the Safe Browsing Subresource Filter.

third_party/WebKit/public/platform/WebDocumentSubresourceFilter.h

Index: third_party/WebKit/public/platform/WebDocumentSubresourceFilter.h
diff --git a/third_party/WebKit/public/platform/WebDocumentSubresourceFilter.h b/third_party/WebKit/public/platform/WebDocumentSubresourceFilter.h
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+// 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 WebDocumentSubresourceFilter_h
+#define WebDocumentSubresourceFilter_h
+
+#include "public/platform/WebURLRequest.h"
+
+namespace blink {
+
+class WebURL;
+
+class WebDocumentSubresourceFilter {
+public:
+    virtual ~WebDocumentSubresourceFilter() {}
+    virtual bool allowLoad(const WebURL& resourceUrl, WebURLRequest::RequestContext) = 0;
+};
+
+} // namespace blink
+
+#endif // WebDocumentSubresourceFilter_h