Remove static initializers in v8.

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index e0b1e50f1863f7ee172148b3173109e3e2e173d9..53ca75f407b12a0db7b0bb8459d01912052935a7 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()
@@ -5847,7 +5846,7 @@ 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;
@@ -5855,7 +5854,7 @@ bool Heap::SetUp(bool create_heap_objects) {
       NewSpaceScavenger::Initialize();
       MarkCompactCollector::Initialize();
   }
-  gc_initializer_mutex->Unlock();
+  gc_initializer_mutex.Pointer()->Unlock();
 
   MarkMapPointersAsEncoded(false);