Use GN buildflags and features to configure account consistency

chrome/browser/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
 import("//components/offline_pages/features/features.gni")
 import("//components/os_crypt/features.gni")
+import("//components/signin/features.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//device/vr/features/features.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//net/features.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//rlz/features/features.gni")
 import("//sandbox/features.gni")
 import("//services/service_manager/public/service_manifest.gni")
@@ skipping 1232 matching lines @@
     "signin/account_reconcilor_factory.cc",
     "signin/account_reconcilor_factory.h",
     "signin/account_tracker_service_factory.cc",
     "signin/account_tracker_service_factory.h",
     "signin/chrome_signin_client.cc",
     "signin/chrome_signin_client.h",
     "signin/chrome_signin_client_factory.cc",
     "signin/chrome_signin_client_factory.h",
     "signin/chrome_signin_helper.cc",
     "signin/chrome_signin_helper.h",
-    "signin/dice_response_handler.cc",
-    "signin/dice_response_handler.h",
     "signin/gaia_cookie_manager_service_factory.cc",
     "signin/gaia_cookie_manager_service_factory.h",
     "signin/investigator_dependency_provider.cc",
     "signin/investigator_dependency_provider.h",
     "signin/local_auth.cc",
     "signin/local_auth.h",
     "signin/mutable_profile_oauth2_token_service_delegate.cc",
     "signin/mutable_profile_oauth2_token_service_delegate.h",
     "signin/profile_oauth2_token_service_factory.cc",
     "signin/profile_oauth2_token_service_factory.h",
@@ skipping 315 matching lines @@
     "//components/safe_json",
     "//components/search",
     "//components/search_engines",
     "//components/search_provider_logos",
     "//components/security_interstitials/content:security_interstitial_page",
     "//components/security_interstitials/core",
     "//components/security_state/content",
     "//components/security_state/core",
     "//components/sessions",
     "//components/signin/core/browser",
+    "//components/signin/core/common",
+    "//components/signin/core/common:signin_features",
     "//components/spellcheck:build_features",
     "//components/ssl_config",
     "//components/ssl_errors",
     "//components/startup_metric_utils/browser:host",
     "//components/startup_metric_utils/browser:lib",
     "//components/storage_monitor",
     "//components/strings",
     "//components/subresource_filter/content/browser",
     "//components/subresource_filter/core/browser",
     "//components/suggestions",
@@ skipping 423 matching lines @@
       "background/background_mode_manager_mac.mm",
       "background/background_mode_manager_win.cc",
       "background/background_mode_optimizer.cc",
       "background/background_mode_optimizer.h",
       "background/background_trigger.h",
     ]
     if (!use_aura || is_win || is_chromeos) {
       sources -= [ "background/background_mode_manager_aura.cc" ]
     }
   }
+  if (enable_dice_support) {
+    sources += [
+      "signin/dice_response_handler.cc",
+      "signin/dice_response_handler.h",
+    ]
+  }
   if (enable_spellcheck) {
     sources += [
       "spellchecker/spell_check_host_impl.cc",
       "spellchecker/spell_check_host_impl.h",
       "spellchecker/spellcheck_custom_dictionary.cc",
       "spellchecker/spellcheck_custom_dictionary.h",
       "spellchecker/spellcheck_factory.cc",
       "spellchecker/spellcheck_factory.h",
       "spellchecker/spellcheck_hunspell_dictionary.cc",
       "spellchecker/spellcheck_hunspell_dictionary.h",
@@ skipping 2759 matching lines @@
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }