Use Type* in crankshaft rather than HeapType.

src/ic.h

Index: src/ic.h
diff --git a/src/ic.h b/src/ic.h
index 54fd1eb19ad64767137ab7ff3372f700d25d4d1f..99309f4edf261a53871bd9f9e031016c2e69f4b7 100644
--- a/src/ic.h
+++ b/src/ic.h
@@ -139,9 +139,12 @@ class IC {
   //   well as smis.
   // - The oddball map is only used for booleans.
   static Handle<Map> TypeToMap(HeapType* type, Isolate* isolate);
-  static Handle<HeapType> MapToType(Handle<Map> map);
-  static Handle<HeapType> CurrentTypeOf(
-      Handle<Object> object, Isolate* isolate);
+  template <class T>
+  static typename T::TypeHandle MapToType(Handle<Map> map,
+                                          typename T::Region* region);
+
+  static Handle<HeapType> CurrentTypeOf(Handle<Object> object,
+                                        Isolate* isolate);
 
  protected:
   // Get the call-site target; used for determining the state.