Merge isolates to bleeding_edge.

src/virtual-frame-light-inl.h

Index: src/virtual-frame-light-inl.h
===================================================================
--- src/virtual-frame-light-inl.h	(revision 7267)
+++ src/virtual-frame-light-inl.h	(working copy)
@@ -83,8 +83,9 @@
 VirtualFrame::RegisterAllocationScope::RegisterAllocationScope(
     CodeGenerator* cgen)
   : cgen_(cgen),
-    old_is_spilled_(SpilledScope::is_spilled_) {
-  SpilledScope::is_spilled_ = false;
+    old_is_spilled_(
+        Isolate::Current()->is_virtual_frame_in_spilled_scope()) {
+  Isolate::Current()->set_is_virtual_frame_in_spilled_scope(false);
   if (old_is_spilled_) {
     VirtualFrame* frame = cgen->frame();
     if (frame != NULL) {
@@ -95,7 +96,7 @@
 
 
 VirtualFrame::RegisterAllocationScope::~RegisterAllocationScope() {
-  SpilledScope::is_spilled_ = old_is_spilled_;
+  Isolate::Current()->set_is_virtual_frame_in_spilled_scope(old_is_spilled_);
   if (old_is_spilled_) {
     VirtualFrame* frame = cgen_->frame();
     if (frame != NULL) {
@@ -106,7 +107,7 @@
 
 
 CodeGenerator* VirtualFrame::cgen() const {
-  return CodeGeneratorScope::Current();
+  return CodeGeneratorScope::Current(Isolate::Current());
 }