[signin] Generate OAuth token on Dice Signin responses

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")
@@ skipping 1220 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 3346 matching lines @@
       "//components/search_engines",
       "//rlz:rlz_lib",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }