[Isolates] Moving TranscendentalCache to Isolate.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index efdc93bed223fd31fc02f522c353d200a49cd258..3f3e4ccf5579015c190e59cd1edfd54830895b65 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -91,6 +91,7 @@ Isolate::Isolate()
       bootstrapper_(NULL),
       break_access_(OS::CreateMutex()),
       stub_cache_(NULL),
+      transcendental_cache_(new TranscendentalCache()),
       handle_scope_implementer_(NULL) {
   heap_.isolate_ = this;
   stack_guard_.isolate_ = this;
@@ -110,6 +111,8 @@ Isolate::Isolate()
 
 
 Isolate::~Isolate() {
+  delete transcendental_cache_;
+  transcendental_cache_ = NULL;
   delete stub_cache_;
   stub_cache_ = NULL;
   delete bootstrapper_;