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

src/globals.h

 // 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.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 581 matching lines @@
   POLYMORPHIC,
   // Many receiver types have been seen.
   MEGAMORPHIC,
   // A generic handler is installed and no extra typefeedback is recorded.
   GENERIC,
   // Special state for debug break or step in prepare stubs.
   DEBUG_STUB
 };
 
 
-enum CallFunctionFlags {
-  NO_CALL_FUNCTION_FLAGS,
-  CALL_AS_METHOD,
-  // Always wrap the receiver and call to the JSFunction. Only use this flag
-  // both the receiver type and the target method are statically known.
-  WRAP_AND_CALL
-};
-
-
 enum CallConstructorFlags {
   NO_CALL_CONSTRUCTOR_FLAGS = 0,
   // The call target is cached in the instruction stream.
   RECORD_CONSTRUCTOR_TARGET = 1,
   // TODO(bmeurer): Kill these SUPER_* modes and use the Construct builtin
   // directly instead; also there's no point in collecting any "targets" for
   // super constructor calls, since these are known when we optimize the
   // constructor that contains the super call.
   SUPER_CONSTRUCTOR_CALL = 1 << 1,
   SUPER_CALL_RECORD_TARGET = SUPER_CONSTRUCTOR_CALL | RECORD_CONSTRUCTOR_TARGET
@@ skipping 408 matching lines @@
   kind = static_cast<FunctionKind>(kind | FunctionKind::kInObjectLiteral);
   DCHECK(IsValidFunctionKind(kind));
   return kind;
 }
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_