Get rid of fastMallocGoodSize() and replace it with something generic.

Source/wtf/WTF.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "WTF.h"
 
 #include "wtf/PartitionAlloc.h"
+#include "wtf/QuantizedAllocation.h"
 
 #ifndef NDEBUG
 #include "wtf/MainThread.h"
 #endif
 
 namespace WTF {
 
 extern void initializeThreading();
 
+PartitionAllocator<4096> Partitions::m_bufferAllocator;
+
 void initialize(TimeFunction currentTimeFunction, TimeFunction monotonicallyIncreasingTimeFunction)
 {
+    QuantizedAllocation::init();
     Partitions::initialize();
     setCurrentTimeFunction(currentTimeFunction);
     setMonotonicallyIncreasingTimeFunction(monotonicallyIncreasingTimeFunction);
     initializeThreading();
 }
 
 void shutdown()
 {
     Partitions::shutdown();
 }
 
 void Partitions::initialize()
 {
     m_bufferAllocator.init();
 }
 
 void Partitions::shutdown()
 {
     m_bufferAllocator.shutdown();
 }
 
-PartitionAllocator<4096> Partitions::m_bufferAllocator;
-
 } // namespace WTF