Move function prototype handling into a special handler rather than IC

src/type-info.h

Index: src/type-info.h
diff --git a/src/type-info.h b/src/type-info.h
index 706921adb08d8ec8fbc84237033db974b6562567..61dcf1c7a5f55c343fe9d5a5b7fe9e6c4fb82dd5 100644
--- a/src/type-info.h
+++ b/src/type-info.h
@@ -41,10 +41,8 @@ class TypeFeedbackOracle: public ZoneObject {
 
   KeyedAccessStoreMode GetStoreMode(TypeFeedbackId id);
 
-  void PropertyReceiverTypes(TypeFeedbackId id,
-                             Handle<String> name,
-                             SmallMapList* receiver_types,
-                             bool* is_prototype);
+  void PropertyReceiverTypes(TypeFeedbackId id, Handle<String> name,
+                             SmallMapList* receiver_types);
   void KeyedPropertyReceiverTypes(TypeFeedbackId id,
                                   SmallMapList* receiver_types,
                                   bool* is_string);
@@ -70,7 +68,6 @@ class TypeFeedbackOracle: public ZoneObject {
   Handle<AllocationSite> GetCallNewAllocationSite(int slot);
 
   bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id);
-  bool LoadIsStub(TypeFeedbackId id, ICStub* stub);
 
   // TODO(1571) We can't use ToBooleanStub::Types as the return value because
   // of various cycles in our headers. Death to tons of implementations in