Introduce TranslateService and TranslateDownloadManager

components/translate.gypi

 # Copyright 2013 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.
 
 {
   'targets': [
     {
       'target_name': 'translate_core_browser',
       'type': 'static_library',
       'dependencies': [
         'language_usage_metrics',
         'translate_core_common',
         '../base/base.gyp:base',
         '../url/url.gyp:url_lib',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'translate/core/browser/language_state.cc',
         'translate/core/browser/language_state.h',
         'translate/core/browser/page_translated_details.h',
         'translate/core/browser/translate_browser_metrics.cc',
         'translate/core/browser/translate_browser_metrics.h',
-        'translate/core/browser/translate_delegate.h',
+        'translate/core/browser/translate_download_manager.cc',
+        'translate/core/browser/translate_download_manager.h',
         'translate/core/browser/translate_driver.h',
         'translate/core/browser/translate_error_details.h',
         'translate/core/browser/translate_event_details.cc',
         'translate/core/browser/translate_event_details.h',
         'translate/core/browser/translate_url_fetcher.cc',
         'translate/core/browser/translate_url_fetcher.h',
        ],
     },
     {
       'target_name': 'translate_core_common',
@@ skipping 64 matching lines @@
           ],
           'sources': [
             'translate/content/browser/content_translate_driver.cc',
             'translate/content/browser/content_translate_driver.h',
            ],
         },
       ],
     }],
   ],
 }