Use GN buildflags and features to configure account consistency

chrome/browser/ui/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/chromecast_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/signin/features.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//rlz/features/features.gni")
 import("//ui/base/ui_features.gni")
 
 config("ui_warnings") {
   if (is_clang) {
     # TODO(thakis): Remove this once http://crbug.com/383820 is figured out
@@ skipping 523 matching lines @@
     "//components/safe_browsing/common:safe_browsing_prefs",
     "//components/safe_json",
     "//components/search",
     "//components/search_engines",
     "//components/security_interstitials/core",
     "//components/security_state/content",
     "//components/security_state/core",
     "//components/sessions",
     "//components/signin/core/account_id",
     "//components/signin/core/browser",
+    "//components/signin/core/common",
+    "//components/signin/core/common:signin_features",
     "//components/spellcheck/browser",
     "//components/ssl_errors",
     "//components/startup_metric_utils/browser:lib",
     "//components/strings",
     "//components/subresource_filter/content/browser",
     "//components/subresource_filter/core/browser:browser",
     "//components/suggestions/proto",
     "//components/supervised_user_error_page",
     "//components/sync",
     "//components/sync_preferences",
@@ skipping 1494 matching lines @@
       "webui/signin/inline_login_handler.cc",
       "webui/signin/inline_login_handler.h",
       "webui/signin/inline_login_handler_impl.cc",
       "webui/signin/inline_login_handler_impl.h",
       "webui/signin/inline_login_ui.cc",
       "webui/signin/inline_login_ui.h",
       "webui/signin/md_user_manager_ui.cc",
       "webui/signin/md_user_manager_ui.h",
       "webui/signin/signin_create_profile_handler.cc",
       "webui/signin/signin_create_profile_handler.h",
-      "webui/signin/signin_dice_internals_handler.cc",
-      "webui/signin/signin_dice_internals_handler.h",
-      "webui/signin/signin_dice_internals_ui.cc",
-      "webui/signin/signin_dice_internals_ui.h",
       "webui/signin/signin_email_confirmation_dialog.cc",
       "webui/signin/signin_email_confirmation_dialog.h",
       "webui/signin/signin_email_confirmation_ui.cc",
       "webui/signin/signin_email_confirmation_ui.h",
       "webui/signin/signin_error_handler.cc",
       "webui/signin/signin_error_handler.h",
       "webui/signin/signin_error_ui.cc",
       "webui/signin/signin_error_ui.h",
       "webui/signin/signin_supervised_user_import_handler.cc",
       "webui/signin/signin_supervised_user_import_handler.h",
       "webui/signin/signin_web_dialog_ui.cc",
       "webui/signin/signin_web_dialog_ui.h",
       "webui/signin/sync_confirmation_handler.cc",
       "webui/signin/sync_confirmation_handler.h",
       "webui/signin/sync_confirmation_ui.cc",
       "webui/signin/sync_confirmation_ui.h",
       "webui/signin/user_manager_screen_handler.cc",
       "webui/signin/user_manager_screen_handler.h",
       "webui/welcome_handler.cc",
       "webui/welcome_handler.h",
       "webui/welcome_ui.cc",
       "webui/welcome_ui.h",
     ]
+    if (enable_dice_support) {
+      sources += [
+        "webui/signin/signin_dice_internals_handler.cc",
+        "webui/signin/signin_dice_internals_handler.h",
+        "webui/signin/signin_dice_internals_ui.cc",
+        "webui/signin/signin_dice_internals_ui.h",
+      ]
+    }
     if (is_mac && !mac_views_browser) {
       sources -= [
         # This is not explicitly excluded in GYP, but I think the static
         # library linking rules means it's never referenced when compiling in
         # non-Views mode on Mac. It appears not to link in that case.
         "views/frame/avatar_button_manager.cc",
         "views/frame/avatar_button_manager.h",
         "views/profiles/avatar_button.cc",
         "views/profiles/avatar_button.h",
       ]
@@ skipping 1540 matching lines @@
     deps += [
       "//chrome/test:test_support_ui",
       "//components/zoom",
     ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }