Disable translate when there is no API key

components/translate/core/browser/translate_manager.h

 // 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.
 
 #ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MANAGER_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 81 matching lines @@
   typedef base::CallbackList<void(const TranslateErrorDetails&)>
       TranslateErrorCallbackList;
 
   // Registers a callback for translate errors.
   static scoped_ptr<TranslateErrorCallbackList::Subscription>
       RegisterTranslateErrorCallback(const TranslateErrorCallback& callback);
 
   // Gets the LanguageState associated with the TranslateManager
   LanguageState& GetLanguageState();
 
+  // By default, don't offer to translate in builds lacking an API key. For
+  // testing, set to true to offer anyway.
+  static void SetIgnoreMissingKeyForTesting(bool ignore);
+
  private:
   // Sends a translation request to the TranslateDriver.
   void DoTranslatePage(const std::string& translate_script,
                        const std::string& source_lang,
                        const std::string& target_lang);
 
   // Called when the Translate script has been fetched.
   // Initiates the translation.
   void OnTranslateScriptFetchComplete(const std::string& source_lang,
                                       const std::string& target_lang,
                                       bool success,
                                       const std::string& data);
 
   // Sequence number of the current page.
   int page_seq_no_;
 
   // Preference name for the Accept-Languages HTTP header.
   std::string accept_languages_pref_name_;
 
   TranslateClient* translate_client_;  // Weak.
   TranslateDriver* translate_driver_;  // Weak.
 
   LanguageState language_state_;
 
   base::WeakPtrFactory<TranslateManager> weak_method_factory_;
 
+  // By default, don't offer to translate in builds lacking an API key. For
+  // testing, set to true to offer anyway.
+  static bool ignore_missing_key_for_testing_;
+
   DISALLOW_COPY_AND_ASSIGN(TranslateManager);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MANAGER_H_