[Extensions] Expand bindings access checks

extensions/renderer/print_native_handler.cc

-// Copyright 2014 The Chromium 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 "extensions/renderer/print_native_handler.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/strings/string_util.h"
-
-namespace extensions {
-
-PrintNativeHandler::PrintNativeHandler(ScriptContext* context)
-    : ObjectBackedNativeHandler(context) {
-  RouteFunction("Print",
-                base::Bind(&PrintNativeHandler::Print, base::Unretained(this)));
-}
-
-void PrintNativeHandler::Print(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  if (args.Length() < 1)
-    return;
-
-  std::vector<std::string> components;
-  for (int i = 0; i < args.Length(); ++i)
-    components.push_back(*v8::String::Utf8Value(args[i]));
-
-  LOG(ERROR) << base::JoinString(components, ",");
-}
-
-}  // namespace extensions