Use a BitArray in RuntimeCSSEnabled instead of a Vector<bool>

Source/wtf/BitVector.cpp

 /*
  * Copyright (C) 2011 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
@@ skipping 55 matching lines @@
 }
 
 void BitVector::clearAll()
 {
     if (isInline())
         m_bitsOrPointer = makeInlineBits(0);
     else
         memset(outOfLineBits()->bits(), 0, byteCount(size()));
 }
 
+void BitVector::setAll()
+{
+    memset(bits(), 0xFF, byteCount(size()));
+}
+
 BitVector::OutOfLineBits* BitVector::OutOfLineBits::create(size_t numBits)
 {
     // Because of the way BitVector stores the pointer, memory tools
     // will erroneously report a leak here.
     WTF_ANNOTATE_SCOPED_MEMORY_LEAK;
     numBits = (numBits + bitsInPointer() - 1) & ~(bitsInPointer() - 1);
     size_t size = sizeof(OutOfLineBits) + sizeof(uintptr_t) * (numBits / bitsInPointer());
     void* allocation = partitionAllocGeneric(Partitions::getBufferPartition(), size);
     OutOfLineBits* result = new (NotNull, allocation) OutOfLineBits(numBits);
     return result;
@@ skipping 29 matching lines @@
 {
     for (size_t i = 0; i < size(); ++i) {
         if (get(i))
             out.printf("1");
         else
             out.printf("-");
     }
 }
 
 } // namespace WTF