Merge WebKit at r64523 : Cherry-pick WebKit change 64527 to add VisitedLinkStrategy.h

This is required to build on Mac.
See http://trac.webkit.org/changeset/64527

Change-Id: Id60a76a57cf354e0bb84d41eeef4c14257bfaedc

1 files changed, 51 insertions, 0 deletions

diff --git a/WebCore/platform/VisitedLinkStrategy.h b/WebCore/platform/VisitedLinkStrategy.h
new file mode 100644
index 0000000..fc88010
--- /dev/null
+++ b/WebCore/platform/VisitedLinkStrategy.h
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+/*
+ * Copyright (C) 2010 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VisitedLinkStrategy_h
+#define VisitedLinkStrategy_h
+
+#if USE(PLATFORM_STRATEGIES)
+
+namespace WebCore {
+
+typedef uint64_t LinkHash;
+class Page;
+
+class VisitedLinkStrategy {
+public:
+    virtual bool isLinkVisited(Page*, LinkHash) = 0;
+    virtual void addVisitedLink(Page*, LinkHash) = 0;
+
+protected:
+    virtual ~VisitedLinkStrategy()
+    {
+    }
+};
+
+} // namespace WebCore
+
+#endif // USE(PLATFORM_STRATEGIES)
+
+#endif // VisitedLinkStrategy_h