Extract MediaListDirective and SourceListDirective from ContentSecurityPolicy.

Source/core/frame/csp/SourceListDirective.h

+// Copyright 2014 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 SourceListDirective_h
+#define SourceListDirective_h
+
+#include "core/frame/csp/CSPDirective.h"
+#include "core/frame/csp/CSPSourceList.h"
+#include "platform/network/ContentSecurityPolicyParsers.h"
+#include "wtf/HashSet.h"
+#include "wtf/text/WTFString.h"
+
+namespace WebCore {
+
+class ContentSecurityPolicy;
+class KURL;
+
+class SourceListDirective FINAL : public CSPDirective {
+    WTF_MAKE_NONCOPYABLE(SourceListDirective);
+public:
+    SourceListDirective(const String& name, const String& value, ContentSecurityPolicy*);
+
+    bool allows(const KURL&) const;
+    bool allowInline() const;
+    bool allowEval() const;
+    bool allowNonce(const String& nonce) const;
+    bool allowHash(const CSPHashValue&) const;
+    bool isHashOrNoncePresent() const;
+    uint8_t hashAlgorithmsUsed() const;
+
+private:
+    CSPSourceList m_sourceList;
+};
+
+} // namespace WebCore
+
+#endif