[heap] Cleanup string factory methods a bit.

test/cctest/compiler/test-run-intrinsics.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/v8.h"
 
 #include "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
@@ skipping 199 matching lines @@
   string->SeqOneByteStringSet(0, 'b');
   string->SeqOneByteStringSet(1, 'a');
   string->SeqOneByteStringSet(2, 'r');
   T.Call(T.Val(1), string);
   CHECK_EQ('b', string->SeqOneByteStringGet(0));
   CHECK_EQ('X', string->SeqOneByteStringGet(1));
   CHECK_EQ('r', string->SeqOneByteStringGet(2));
 }
 
 
-TEST(NewConsString) {
-  FunctionTester T(
-      "(function() { "
-      "   return %_NewConsString(14, true, 'abcdefghi', 'jklmn');"
-      " })",
-      flags);
-
-  T.CheckCall(T.Val("abcdefghijklmn"));
-}
-
-
 TEST(SetValueOf) {
   FunctionTester T("(function(a,b) { return %_SetValueOf(a,b); })", flags);
 
   T.CheckCall(T.Val("a"), T.NewObject("(new String)"), T.Val("a"));
   T.CheckCall(T.Val(123), T.NewObject("(new Number)"), T.Val(123));
   T.CheckCall(T.Val("x"), T.undefined(), T.Val("x"));
 }
 
 
 TEST(StringAdd) {
@@ skipping 83 matching lines @@
 
 
 TEST(ValueOf) {
   FunctionTester T("(function(a) { return %_ValueOf(a); })", flags);
 
   T.CheckCall(T.Val("a"), T.Val("a"));
   T.CheckCall(T.Val("b"), T.NewObject("(new String('b'))"));
   T.CheckCall(T.Val(123), T.Val(123));
   T.CheckCall(T.Val(456), T.NewObject("(new Number(456))"));
 }