Revert r10908 due to flakiness and crashes.

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 224527addaecf46b843b1aa3fd94dd966a446301..e9e99246cb7924bbc7316aedf6701f8b88be96b6 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -32,7 +32,6 @@
 
 #include "v8.h"
 
-#include "codegen.h"
 #include "platform.h"
 #include "vm-state-inl.h"
 
@@ -202,30 +201,6 @@ double modulo(double x, double y) {
 
 #endif  // _WIN64
 
-
-static Mutex* transcendental_function_mutex = OS::CreateMutex();
-
-#define TRANSCENDENTAL_FUNCTION(name, type)                   \
-static TranscendentalFunction fast_##name##_function = NULL;  \
-double fast_##name(double x) {                                \
-  if (fast_##name##_function == NULL) {                       \
-    ScopedLock lock(transcendental_function_mutex);           \
-    TranscendentalFunction temp =                             \
-        CreateTranscendentalFunction(type);                   \
-    MemoryBarrier();                                          \
-    fast_##name##_function = temp;                            \
-  }                                                           \
-  return (*fast_##name##_function)(x);                        \
-}
-
-TRANSCENDENTAL_FUNCTION(sin, TranscendentalCache::SIN)
-TRANSCENDENTAL_FUNCTION(cos, TranscendentalCache::COS)
-TRANSCENDENTAL_FUNCTION(tan, TranscendentalCache::TAN)
-TRANSCENDENTAL_FUNCTION(log, TranscendentalCache::LOG)
-
-#undef TRANSCENDENTAL_FUNCTION
-
-
 // ----------------------------------------------------------------------------
 // The Time class represents time on win32. A timestamp is represented as
 // a 64-bit integer in 100 nanoseconds since January 1, 1601 (UTC). JavaScript