Move TranslateManager unit tests out of the browser_tests target.

chrome/browser/translate/translate_service.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 CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_
 
 #include "chrome/browser/web_resource/resource_request_allowed_notifier.h"
 
 class PrefService;
 
 // Singleton managing the resources required for Translate.
 class TranslateService : public ResourceRequestAllowedNotifier::Observer {
  public:
    // Must be called before the Translate feature can be used.
   static void Initialize();
 
   // Must be called to shut down the Translate feature.
   static void Shutdown(bool cleanup_pending_fetcher);
 
+  // Initializes the TranslateService in a way that it can be initialized
+  // multiple times in a unit test suite (once for each test). Should be paired
+  // with ShutdownForTesting at the end of the test.
+  static void InitializeForTesting();
+
+  // Shuts down the TranslateService at the end of a test in a way that the next
+  // test can initialize and use the service.
+  static void ShutdownForTesting();
+
   // Let the caller decide if and when we should fetch the language list from
   // the translate server. This is a NOOP if switches::kDisableTranslate is set
   // or if prefs::kEnableTranslate is set to false.
   static void FetchLanguageListFromTranslateServer(PrefService* prefs);
 
   // Returns true if the new translate bubble is enabled.
   static bool IsTranslateBubbleEnabled();
 
   // Sets whether of not the infobar UI is used. This method is intended to be
   // used only for tests.
   static void SetUseInfobar(bool value);
 
  private:
   TranslateService();
   ~TranslateService();
 
   // ResourceRequestAllowedNotifier::Observer methods.
   virtual void OnResourceRequestsAllowed() OVERRIDE;
 
   // Helper class to know if it's allowed to make network resource requests.
   ResourceRequestAllowedNotifier resource_request_allowed_notifier_;
 
   // Whether or not the infobar is used. This is intended to be used
   // only for testing.
   bool use_infobar_;
 };
 
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_SERVICE_H_