Move CallSite.toString to C++

src/bootstrapper.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/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/ieee754.h"
 #include "src/code-stubs.h"
@@ skipping 2653 matching lines @@
           {"getLineNumber", Builtins::kCallSitePrototypeGetLineNumber},
           {"getMethodName", Builtins::kCallSitePrototypeGetMethodName},
           {"getPosition", Builtins::kCallSitePrototypeGetPosition},
           {"getScriptNameOrSourceURL",
            Builtins::kCallSitePrototypeGetScriptNameOrSourceURL},
           {"getThis", Builtins::kCallSitePrototypeGetThis},
           {"getTypeName", Builtins::kCallSitePrototypeGetTypeName},
           {"isConstructor", Builtins::kCallSitePrototypeIsConstructor},
           {"isEval", Builtins::kCallSitePrototypeIsEval},
           {"isNative", Builtins::kCallSitePrototypeIsNative},
-          {"isToplevel", Builtins::kCallSitePrototypeIsToplevel}};
+          {"isToplevel", Builtins::kCallSitePrototypeIsToplevel},
+          {"toString", Builtins::kCallSitePrototypeToString}};
 
       PropertyAttributes attrs =
           static_cast<PropertyAttributes>(DONT_ENUM | DONT_DELETE | READ_ONLY);
 
       Handle<JSFunction> fun;
       for (const FunctionInfo& info : infos) {
         fun = SimpleInstallFunction(proto, info.name, info.id, 0, true, attrs);
         fun->shared()->set_native(true);
       }
 
@@ skipping 1363 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8