Revert "[Arguments] Merge (7442,7496] from bleeding_edge."

src/v8.cc

Index: src/v8.cc
diff --git a/src/v8.cc b/src/v8.cc
index f89ed838ce1839b07175bad884427e99ce933c6b..8153372fbbafb1dde15f8cfc687da6a117f00bad 100644
--- a/src/v8.cc
+++ b/src/v8.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -41,9 +41,6 @@
 namespace v8 {
 namespace internal {
 
-static Mutex* init_once_mutex = OS::CreateMutex();
-static bool init_once_called = false;
-
 bool V8::is_running_ = false;
 bool V8::has_been_setup_ = false;
 bool V8::has_been_disposed_ = false;
@@ -52,8 +49,6 @@ bool V8::use_crankshaft_ = true;
 
 
 bool V8::Initialize(Deserializer* des) {
-  InitializeOncePerProcess();
-
   // The current thread may not yet had entered an isolate to run.
   // Note the Isolate::Current() may be non-null because for various
   // initialization purposes an initializing thread may be assigned an isolate
@@ -73,6 +68,15 @@ bool V8::Initialize(Deserializer* des) {
   Isolate* isolate = Isolate::Current();
   if (isolate->IsInitialized()) return true;
 
+#if defined(V8_TARGET_ARCH_ARM) && !defined(USE_ARM_EABI)
+  use_crankshaft_ = false;
+#else
+  use_crankshaft_ = FLAG_crankshaft;
+#endif
+
+  // Peephole optimization might interfere with deoptimization.
+  FLAG_peephole_optimization = !use_crankshaft_;
+
   is_running_ = true;
   has_been_setup_ = true;
   has_fatal_error_ = false;
@@ -167,8 +171,8 @@ typedef union {
 } double_int_union;
 
 
-Object* V8::FillHeapNumberWithRandom(Object* heap_number, Isolate* isolate) {
-  uint64_t random_bits = Random(isolate);
+Object* V8::FillHeapNumberWithRandom(Object* heap_number) {
+  uint64_t random_bits = Random(Isolate::Current());
   // Make a double* from address (heap_number + sizeof(double)).
   double_int_union* r = reinterpret_cast<double_int_union*>(
       reinterpret_cast<char*>(heap_number) +
@@ -184,32 +188,4 @@ Object* V8::FillHeapNumberWithRandom(Object* heap_number, Isolate* isolate) {
   return heap_number;
 }
 
-
-void V8::InitializeOncePerProcess() {
-  ScopedLock lock(init_once_mutex);
-  if (init_once_called) return;
-  init_once_called = true;
-
-  // Setup the platform OS support.
-  OS::Setup();
-
-#if defined(V8_TARGET_ARCH_ARM) && !defined(USE_ARM_EABI)
-  use_crankshaft_ = false;
-#else
-  use_crankshaft_ = FLAG_crankshaft;
-#endif
-
-  if (Serializer::enabled()) {
-    use_crankshaft_ = false;
-  }
-
-  CPU::Setup();
-  if (!CPU::SupportsCrankshaft()) {
-    use_crankshaft_ = false;
-  }
-
-  // Peephole optimization might interfere with deoptimization.
-  FLAG_peephole_optimization = !use_crankshaft_;
-}
-
 } }  // namespace v8::internal