[builtins] Unify the various versions of [[Call]] with a Call builtin.

src/code-stubs.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_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/codegen.h"
@@ skipping 1935 matching lines @@
   // Parameters accessed via CodeStubGraphBuilder::GetParameter()
   static const int kLength = 0;
   static const int kIndex = 1;
   static const int kInput = 2;
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(RegExpConstructResult);
   DEFINE_HYDROGEN_CODE_STUB(RegExpConstructResult, HydrogenCodeStub);
 };
 
 
+// TODO(bmeurer): Deprecate the CallFunctionStub in favor of the more general
+// Invoke family of builtins.
 class CallFunctionStub: public PlatformCodeStub {
  public:
   CallFunctionStub(Isolate* isolate, int argc, CallFunctionFlags flags)
       : PlatformCodeStub(isolate) {
     DCHECK(argc >= 0 && argc <= Code::kMaxArguments);
     minor_key_ = ArgcBits::encode(argc) | FlagBits::encode(flags);
   }
 
  private:
   int argc() const { return ArgcBits::decode(minor_key_); }
@@ skipping 1130 matching lines @@
 #undef DEFINE_PLATFORM_CODE_STUB
 #undef DEFINE_HANDLER_CODE_STUB
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_