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

src/ic/ic-state.cc

 // Copyright 2014 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-state.h"
 
 #include "src/ic/ic.h"
 
 namespace v8 {
 namespace internal {
 
 // static
 void ICUtility::Clear(Isolate* isolate, Address address,
                       Address constant_pool) {
   IC::Clear(isolate, address, constant_pool);
 }
 
 
-CallICState::CallICState(ExtraICState extra_ic_state)
-    : argc_(ArgcBits::decode(extra_ic_state)),
-      call_type_(CallTypeBits::decode(extra_ic_state)) {}
-
-
 ExtraICState CallICState::GetExtraICState() const {
-  ExtraICState extra_ic_state =
-      ArgcBits::encode(argc_) | CallTypeBits::encode(call_type_);
+  ExtraICState extra_ic_state = ArgcBits::encode(argc_);
   return extra_ic_state;
 }
 
 
 std::ostream& operator<<(std::ostream& os, const CallICState& s) {
   return os << "(args(" << s.arg_count() << "), "
-            << (s.call_type() == CallICState::METHOD ? "METHOD" : "FUNCTION")
             << ", ";
 }
 
 
 // static
 STATIC_CONST_MEMBER_DEFINITION const int BinaryOpICState::FIRST_TOKEN;
 
 
 // static
 STATIC_CONST_MEMBER_DEFINITION const int BinaryOpICState::LAST_TOKEN;
@@ skipping 471 matching lines @@
     case OBJECT:
     case GENERIC:
       return GENERIC;
   }
   UNREACHABLE();
   return GENERIC;  // Make the compiler happy.
 }
 
 }  // namespace internal
 }  // namespace v8