[runtime] Remove unused %ToBool runtime function.

test/cctest/compiler/test-run-jscalls.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 114 matching lines @@
   CompileRun("function foo(a,b) { return { value: a + b + this.c }; }");
   CompileRun("foo.prototype.c = 23;");
 
   T.CheckCall(T.Val(32), T.Val(4), T.Val(5));
   T.CheckCall(T.Val("xy23"), T.Val("x"), T.Val("y"));
   T.CheckCall(T.nan(), T.undefined(), T.Val(3));
 }
 
 
 // TODO(titzer): factor these out into test-runtime-calls.cc
-TEST(RuntimeCallCPP1) {
-  FLAG_allow_natives_syntax = true;
-  FunctionTester T("(function(a) { return %ToBool(a); })");
-
-  T.CheckCall(T.true_value(), T.Val(23), T.undefined());
-  T.CheckCall(T.true_value(), T.Val(4.2), T.undefined());
-  T.CheckCall(T.true_value(), T.Val("str"), T.undefined());
-  T.CheckCall(T.true_value(), T.true_value(), T.undefined());
-  T.CheckCall(T.false_value(), T.false_value(), T.undefined());
-  T.CheckCall(T.false_value(), T.undefined(), T.undefined());
-  T.CheckCall(T.false_value(), T.Val(0.0), T.undefined());
-}
-
-
 TEST(RuntimeCallCPP2) {
   FLAG_allow_natives_syntax = true;
   FunctionTester T("(function(a,b) { return %NumberAdd(a, b); })");
 
   T.CheckCall(T.Val(65), T.Val(42), T.Val(23));
   T.CheckCall(T.Val(19), T.Val(42), T.Val(-23));
   T.CheckCall(T.Val(6.5), T.Val(4.2), T.Val(2.3));
 }
 
 
@@ skipping 103 matching lines @@
   v8::Context::Scope scope(context);
   v8::Local<v8::Value> value = CompileRun(script);
   i::Handle<i::Object> ofun = v8::Utils::OpenHandle(*value);
   i::Handle<i::JSFunction> jsfun = Handle<JSFunction>::cast(ofun);
   jsfun->set_code(T.function->code());
   jsfun->set_shared(T.function->shared());
   context->Global()->Set(v8_str("foo"), v8::Utils::ToLocal(jsfun));
   CompileRun("var x = 24;");
   ExpectObject("foo()", context->Global());
 }