Refactor allocation policies.

src/scopeinfo.h

Index: src/scopeinfo.h
diff --git a/src/scopeinfo.h b/src/scopeinfo.h
index 86c33f61ffaf3a1bd38bc8d38665a83ec0181c41..3c1d72de4f67419429e0d6b15c59eebc122720ee 100644
--- a/src/scopeinfo.h
+++ b/src/scopeinfo.h
@@ -48,15 +48,17 @@ namespace internal {
 // in debugging-unrelated contexts.
 
 // Forward defined as
-// template <class Allocator = FreeStoreAllocationPolicy> class ScopeInfo;
+// template <class Allocator = FreeStoreAllocator> class ScopeInfo;
 template<class Allocator>
 class ScopeInfo BASE_EMBEDDED {
  public:
   // Create a ScopeInfo instance from a scope.
-  explicit ScopeInfo(Scope* scope);
+  explicit ScopeInfo(Scope* scope,
+                     const Allocator& allocator = Allocator());
 
   // Create a ScopeInfo instance from SerializedScopeInfo.
-  explicit ScopeInfo(SerializedScopeInfo* data);
+  explicit ScopeInfo(SerializedScopeInfo* data,
+                     const Allocator& allocator = Allocator());
 
   // Creates a SerializedScopeInfo holding the serialized scope info.
   Handle<SerializedScopeInfo> Serialize();