WTF should get time from base directly

sky/engine/wtf/WTF.h

 /*
  * 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 21 matching lines @@
 #define SKY_ENGINE_WTF_WTF_H_
 
 #include "sky/engine/wtf/Compiler.h"
 #include "sky/engine/wtf/CurrentTime.h"
 #include "sky/engine/wtf/PartitionAlloc.h"
 #include "sky/engine/wtf/WTFExport.h"
 
 namespace WTF {
 
 // This function must be called exactly once from the main thread before using anything else in WTF.
-WTF_EXPORT void initialize(TimeFunction currentTimeFunction, TimeFunction monotonicallyIncreasingTimeFunction);
+WTF_EXPORT void initialize();
 WTF_EXPORT void shutdown();
 WTF_EXPORT bool isShutdown();
 
 class WTF_EXPORT Partitions {
 public:
     static void initialize();
     static void shutdown();
     static ALWAYS_INLINE PartitionRootGeneric* getBufferPartition()
     {
         if (UNLIKELY(!s_initialized))
             initialize();
         return m_bufferAllocator.root();
     }
 
 private:
     static bool s_initialized;
     static PartitionAllocatorGeneric m_bufferAllocator;
 };
 
 } // namespace WTF
 
 #endif  // SKY_ENGINE_WTF_WTF_H_