Back out accidentally committed change.

    Back out accidentally committed change.

        * JavaScriptCore.xcodeproj/project.pbxproj:
        * kjs/collector.cpp:
        (KJS::Collector::registerThread):
        * wtf/FastMalloc.cpp:
        (WTF::fastMallocSetIsMultiThreaded):
        (WTF::TCMalloc_ThreadCache::GetCache):
        (WTF::TCMalloc_ThreadCache::GetCacheIfPresent):
        (WTF::TCMalloc_ThreadCache::CreateCacheIfNecessary):
        (WTF::do_malloc):
        * wtf/FastMallocInternal.h: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@25366 268f45cc-cd09-0410-ab3c-d52691b4dbfc