Componentize FakeSigninManager and SigninManager prefs

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1747 matching lines @@
         'browser/sessions/session_restore_test_helper.cc',
         'browser/sessions/session_restore_test_helper.h',
         'browser/sessions/session_service_test_helper.cc',
         'browser/sessions/session_service_test_helper.h',
         'browser/signin/fake_account_fetcher_service.cc',
         'browser/signin/fake_account_fetcher_service.h',
         'browser/signin/fake_gaia_cookie_manager_service.cc',
         'browser/signin/fake_gaia_cookie_manager_service.h',
         'browser/signin/fake_profile_oauth2_token_service_builder.cc',
         'browser/signin/fake_profile_oauth2_token_service_builder.h',
-        'browser/signin/fake_signin_manager.cc',
-        'browser/signin/fake_signin_manager.h',
+        'browser/signin/fake_signin_manager_builder.cc',
+        'browser/signin/fake_signin_manager_builder.h',
         'browser/ssl/ssl_client_auth_requestor_mock.cc',
         'browser/ssl/ssl_client_auth_requestor_mock.h',
         'browser/sync/profile_sync_components_factory_mock.cc',
         'browser/sync/profile_sync_components_factory_mock.h',
         'browser/sync/profile_sync_service_mock.cc',
         'browser/sync/profile_sync_service_mock.h',
         'browser/ui/browser.h',
         'browser/ui/cocoa/extensions/browser_action_test_util_mac.mm',
         'browser/ui/cocoa/find_bar/find_bar_host_unittest_util_cocoa.mm',
         'browser/ui/cocoa/run_loop_testing.h',
@@ skipping 1122 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }