Move ExtensionDownloader to //extensions

extensions/extensions.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 282 matching lines @@
         '../components/components.gyp:keyed_service_content',
         '../components/components.gyp:keyed_service_core',
         '../components/components.gyp:pref_registry',
         '../components/components.gyp:sessions',
         '../components/components.gyp:storage_monitor',
         '../components/components.gyp:web_cache_browser',
         '../components/components.gyp:web_modal',
         '../content/content.gyp:content_browser',
         '../device/bluetooth/bluetooth.gyp:device_bluetooth',
         '../device/serial/serial.gyp:device_serial',
+        '../google_apis/google_apis.gyp:google_apis',
         '../skia/skia.gyp:skia',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/re2/re2.gyp:re2',
         'browser/api/api_registration.gyp:extensions_api_registration',
         'common/api/api.gyp:cast_channel_proto',
         'common/api/api.gyp:extensions_api',
         'extensions_common',
         'extensions_resources.gyp:extensions_resources',
         'extensions_strings.gyp:extensions_strings',
       ],
@@ skipping 397 matching lines @@
         'browser/script_executor.h',
         'browser/stash_backend.cc',
         'browser/stash_backend.h',
         'browser/state_store.cc',
         'browser/state_store.h',
         'browser/suggest_permission_util.cc',
         'browser/suggest_permission_util.h',
         'browser/uninstall_reason.h',
         'browser/update_observer.h',
         'browser/updater/extension_cache.h',
+        'browser/updater/extension_downloader.cc',
+        'browser/updater/extension_downloader.h',
+        'browser/updater/extension_downloader_delegate.cc',
+        'browser/updater/extension_downloader_delegate.h',
         'browser/updater/manifest_fetch_data.cc',
         'browser/updater/manifest_fetch_data.h',
         'browser/updater/null_extension_cache.cc',
         'browser/updater/null_extension_cache.h',
         'browser/updater/request_queue.h',
         'browser/updater/request_queue_impl.h',
         'browser/updater/safe_manifest_parser.cc',
         'browser/updater/safe_manifest_parser.h',
         'browser/url_request_util.cc',
         'browser/url_request_util.h',
@@ skipping 462 matching lines @@
       'conditions': [
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ]
 }