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 23 matching lines @@
 #include "wtf/PartitionAlloc.h"
 
 #ifndef NDEBUG
 #include "wtf/MainThread.h"
 #endif
 
 namespace WTF {
 
 extern void initializeThreading();
 
+PartitionAllocator<4096> Partitions::m_bufferAllocator;
+unsigned short QuantizedAllocation::table[QuantizedAllocation::kTableSize];
+
 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;
+void QuantizedAllocation::init()
+{
+    size_t currAllocation = 0;
+    size_t currRounding = kMinRounding;
+    size_t currRoundingLimit = kMinRoundingLimit / 2;
+    size_t numCurrRounding = 0;
+    for (size_t i = 0; i < kTableSize; ++i) {
+        table[i] = currRounding - 1;
+        currAllocation += kMinRoundingLimit;
+        if (currAllocation == currRoundingLimit * 2) {
+            currRoundingLimit *= 2;
+            currRounding *= 2;
+        }
+    }
+}
 
 } // namespace WTF