One Zone per CompilationInfo.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index af0a171db78c430205da155ac54e0c393f2b45d6..f6eafd87589a891c56c5e15ddf41f3e9fcc98df9 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -269,7 +269,7 @@ void Deoptimizer::DeoptimizeGlobalObject(JSObject* object) {
 void Deoptimizer::VisitAllOptimizedFunctionsForContext(
     Context* context, OptimizedFunctionVisitor* visitor) {
   Isolate* isolate = context->GetIsolate();
-  ZoneScope zone_scope(isolate, DELETE_ON_EXIT);
+  ZoneScope zone_scope(isolate->runtime_zone(), DELETE_ON_EXIT);
   AssertNoAllocation no_allocation;
 
   ASSERT(context->IsGlobalContext());
@@ -278,11 +278,11 @@ void Deoptimizer::VisitAllOptimizedFunctionsForContext(
 
   // Create a snapshot of the optimized functions list. This is needed because
   // visitors might remove more than one link from the list at once.
-  ZoneList<JSFunction*> snapshot(1, isolate->zone());
+  ZoneList<JSFunction*> snapshot(1, isolate->runtime_zone());
   Object* element = context->OptimizedFunctionsListHead();
   while (!element->IsUndefined()) {
     JSFunction* element_function = JSFunction::cast(element);
-    snapshot.Add(element_function, isolate->zone());
+    snapshot.Add(element_function, isolate->runtime_zone());
     element = element_function->next_function_link();
   }