Add support for disabling CSS Properties at runtime

Source/core/page/RuntimeCSSEnabled.h

Index: Source/core/page/RuntimeCSSEnabled.h
diff --git a/Source/core/rendering/ExclusionInterval.h b/Source/core/page/RuntimeCSSEnabled.h
similarity index 62%
copy from Source/core/rendering/ExclusionInterval.h
copy to Source/core/page/RuntimeCSSEnabled.h
index 5d31feb18113de8c1e4341e0103708b774ca351f..71a19a4630ead925e897edeca366108c8356138a 100644
--- a/Source/core/rendering/ExclusionInterval.h
+++ b/Source/core/page/RuntimeCSSEnabled.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
+ * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -12,7 +12,7 @@
  *    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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
@@ -27,32 +27,28 @@
  * OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef ExclusionInterval_h
-#define ExclusionInterval_h
+#ifndef RuntimeCSSEnabled_h
+#define RuntimeCSSEnabled_h
 
-#include <wtf/Vector.h>
+#include "CSSPropertyNames.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
-struct ExclusionInterval {
+// A class storing static arrays for enabling CSS properties at
+// runtime. By default, all properties are enabled.
+
+class RuntimeCSSEnabled {
 public:
-    float x1;
-    float x2;
+    static bool isCSSPropertyEnabled(CSSPropertyID);
+    static void setCSSPropertyEnabled(CSSPropertyID, bool);
 
-    ExclusionInterval(float x1 = 0, float x2 = 0)
-        : x1(x1)
-        , x2(x2)
-    {
-    }
+    static void filterEnabledCSSPropertiesIntoVector(const CSSPropertyID*, size_t length, Vector<CSSPropertyID>&);
 
-    bool intersect(const ExclusionInterval&, ExclusionInterval&) const;
+private:
+    RuntimeCSSEnabled();
 };
 
-void sortExclusionIntervals(Vector<ExclusionInterval>&);
-void mergeExclusionIntervals(const Vector<ExclusionInterval>&, const Vector<ExclusionInterval>&, Vector<ExclusionInterval>&);
-void intersectExclusionIntervals(const Vector<ExclusionInterval>&, const Vector<ExclusionInterval>&, Vector<ExclusionInterval>&);
-void subtractExclusionIntervals(const Vector<ExclusionInterval>&, const Vector<ExclusionInterval>&, Vector<ExclusionInterval>&);
-
 } // namespace WebCore
 
-#endif // ExclusionInterval_h
+#endif // RuntimeCSSEnabled_h