[Extensions] Expand bindings access checks

extensions/renderer/i18n_custom_bindings.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/i18n_custom_bindings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 102 matching lines @@
     detected_languages->push_back(
         make_scoped_ptr(new DetectedLanguage(language_code, percents[i])));
   }
 }
 
 }  // namespace
 
 I18NCustomBindings::I18NCustomBindings(ScriptContext* context)
     : ObjectBackedNativeHandler(context) {
   RouteFunction(
-      "GetL10nMessage",
+      "GetL10nMessage", "i18n",
       base::Bind(&I18NCustomBindings::GetL10nMessage, base::Unretained(this)));
-  RouteFunction("GetL10nUILanguage",
+  RouteFunction("GetL10nUILanguage", "i18n",
                 base::Bind(&I18NCustomBindings::GetL10nUILanguage,
                            base::Unretained(this)));
-  RouteFunction("DetectTextLanguage",
+  RouteFunction("DetectTextLanguage", "i18n",
                 base::Bind(&I18NCustomBindings::DetectTextLanguage,
                            base::Unretained(this)));
 }
 
 void I18NCustomBindings::GetL10nMessage(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   if (args.Length() != 3 || !args[0]->IsString()) {
     NOTREACHED() << "Bad arguments";
     return;
   }
@@ skipping 97 matching lines @@
   }
 
   LanguageDetectionResult result(is_reliable);
   // populate LanguageDetectionResult with languages and percents
   InitDetectedLanguages(languages, percents, &result.languages);
 
   args.GetReturnValue().Set(result.ToValue(context()));
 }
 
 }  // namespace extensions