Change deprecated semantics of function template signatures.

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 1f708b3ca63c94f6d7bf49e9c10d66e23f1de8ca..2cd65857814f241f8ed6481930f565ab8bf9e64e 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -1548,27 +1548,12 @@ CallOptimization::CallOptimization(LookupResult* lookup) {
   }
 }
 
+
 CallOptimization::CallOptimization(Handle<JSFunction> function) {
   Initialize(function);
 }
 
 
-int CallOptimization::GetPrototypeDepthOfExpectedType(
-    Handle<JSObject> object,
-    Handle<JSObject> holder) const {
-  ASSERT(is_simple_api_call());
-  if (expected_receiver_type_.is_null()) return 0;
-  int depth = 0;
-  while (!object.is_identical_to(holder)) {
-    if (object->IsInstanceOf(*expected_receiver_type_)) return depth;
-    object = Handle<JSObject>(JSObject::cast(object->GetPrototype()));
-    ++depth;
-  }
-  if (holder->IsInstanceOf(*expected_receiver_type_)) return depth;
-  return kInvalidProtoDepth;
-}
-
-
 void CallOptimization::Initialize(Handle<JSFunction> function) {
   constant_function_ = Handle<JSFunction>::null();
   is_simple_api_call_ = false;