Move some dependencies of ExtensionService down to extensions.

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 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': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 772 matching lines @@
         'browser/extensions/external_install_ui.cc',
         'browser/extensions/external_install_ui.h',
         'browser/extensions/external_loader.cc',
         'browser/extensions/external_loader.h',
         'browser/extensions/external_policy_loader.cc',
         'browser/extensions/external_policy_loader.h',
         'browser/extensions/external_pref_loader.cc',
         'browser/extensions/external_pref_loader.h',
         'browser/extensions/external_provider_impl.cc',
         'browser/extensions/external_provider_impl.h',
-        'browser/extensions/external_provider_interface.h',
         'browser/extensions/external_registry_loader_win.cc',
         'browser/extensions/external_registry_loader_win.h',
         'browser/extensions/global_shortcut_listener.cc',
         'browser/extensions/global_shortcut_listener.h',
         'browser/extensions/global_shortcut_listener_chromeos.cc',
         'browser/extensions/global_shortcut_listener_chromeos.h',
         'browser/extensions/global_shortcut_listener_mac.cc',
         'browser/extensions/global_shortcut_listener_mac.h',
         'browser/extensions/global_shortcut_listener_ozone.cc',
         'browser/extensions/global_shortcut_listener_ozone.h',
@@ skipping 11 matching lines @@
         'browser/extensions/install_observer.h',
         'browser/extensions/install_signer.cc',
         'browser/extensions/install_signer.h',
         'browser/extensions/install_tracker.cc',
         'browser/extensions/install_tracker.h',
         'browser/extensions/install_tracker_factory.cc',
         'browser/extensions/install_tracker_factory.h',
         'browser/extensions/install_verifier.cc',
         'browser/extensions/install_verifier.h',
         'browser/extensions/location_bar_controller.h',
-        'browser/extensions/management_policy.cc',
-        'browser/extensions/management_policy.h',
         'browser/extensions/menu_manager.cc',
         'browser/extensions/menu_manager.h',
         'browser/extensions/menu_manager_factory.cc',
         'browser/extensions/menu_manager_factory.h',
         'browser/extensions/navigation_observer.cc',
         'browser/extensions/navigation_observer.h',
         'browser/extensions/pack_extension_job.cc',
         'browser/extensions/pack_extension_job.h',
         'browser/extensions/page_action_controller.cc',
         'browser/extensions/page_action_controller.h',
@@ skipping 386 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }