Remove static initializers in v8.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index fc53eb3529190a3bb2316e9f8c5c771c9baa298b..6c00d034576e4db9ddfd524f54df94b8a259b56e 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -60,8 +60,7 @@
 namespace v8 {
 namespace internal {
 
-
-static Mutex* gc_initializer_mutex = OS::CreateMutex();
+static LazyMutex gc_initializer_mutex = LAZY_MUTEX_INITIALIZER;
 
 
 Heap::Heap()
@@ -5837,7 +5836,7 @@ bool Heap::SetUp(bool create_heap_objects) {
     if (!ConfigureHeapDefault()) return false;
   }
 
-  gc_initializer_mutex->Lock();
+  gc_initializer_mutex.Pointer()->Lock();
   static bool initialized_gc = false;
   if (!initialized_gc) {
       initialized_gc = true;
@@ -5845,7 +5844,7 @@ bool Heap::SetUp(bool create_heap_objects) {
       NewSpaceScavenger::Initialize();
       MarkCompactCollector::Initialize();
   }
-  gc_initializer_mutex->Unlock();
+  gc_initializer_mutex.Pointer()->Unlock();
 
   MarkMapPointersAsEncoded(false);