Remove CallFunctionStub, always call through the Call builtin (also from CallIC)

src/ic/ic.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ic/ic.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 1566 matching lines @@
 
   LookupIterator it(object, name);
   if (FLAG_use_ic) UpdateCaches(&it, value, store_mode);
 
   MAYBE_RETURN_NULL(
       Object::SetProperty(&it, value, language_mode(), store_mode));
   return value;
 }
 
 
-Handle<Code> CallIC::initialize_stub(Isolate* isolate, int argc,
-                                     CallICState::CallType call_type) {
-  CallICTrampolineStub stub(isolate, CallICState(argc, call_type));
+Handle<Code> CallIC::initialize_stub(Isolate* isolate, int argc) {
+  CallICTrampolineStub stub(isolate, CallICState(argc));
   Handle<Code> code = stub.GetCode();
   return code;
 }
 
 
-Handle<Code> CallIC::initialize_stub_in_optimized_code(
-    Isolate* isolate, int argc, CallICState::CallType call_type) {
-  CallICStub stub(isolate, CallICState(argc, call_type));
+Handle<Code> CallIC::initialize_stub_in_optimized_code(Isolate* isolate,
+                                                       int argc) {
+  CallICStub stub(isolate, CallICState(argc));
   Handle<Code> code = stub.GetCode();
   return code;
 }
 
 
 static Handle<Code> StoreICInitializeStubHelper(
     Isolate* isolate, ExtraICState extra_state,
     InlineCacheState initialization_state) {
   Handle<Code> ic = PropertyICCompiler::ComputeStore(
       isolate, initialization_state, extra_state);
@@ skipping 1526 matching lines @@
     KeyedLoadICNexus nexus(vector, vector_slot);
     KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(receiver, key));
   }
 
   return *result;
 }
 }  // namespace internal
 }  // namespace v8