Back out 2 changesets (bug 977805) for OS X crashes @js::jit::PatchJump

CLOSED TREE

Backed out changeset 33f3b919ef1b (bug 977805)
Backed out changeset 9fa312e065e1 (bug 977805)

js/src/jit/ExecutableAllocator.cpp

@@ -29,10 +29,6 @@
 
 #include "js/MemoryMetrics.h"
 
-#ifdef __APPLE__
-#include <TargetConditionals.h>
-#endif
-
 using namespace js::jit;
 
 size_t ExecutableAllocator::pageSize = 0;