Move away from deprecated ConstructAboutInfo() in PSSHarness

sync_ui_util::ConstructAboutInfo_DEPRECATED() is ... deprecated. This
CL ports ProfileSyncServiceHarness away from it, having PSSHarness
directly supply its cached account info to ConstructAboutInfo().

Bug: 783144
Change-Id: I6bff37d2e39244dfdcb853980783d1e9cada36bd
Reviewed-on: https://chromium-review.googlesource.com/768875Reviewed-by: Nicolas Zea <zea@chromium.org>
Commit-Queue: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517816}

chrome/browser/sync/test/integration/profile_sync_service_harness.cc

@@ -533,9 +533,12 @@ bool ProfileSyncServiceHarness::IsTypePreferred(syncer::ModelType type) {
 }
 
 std::string ProfileSyncServiceHarness::GetServiceStatus() {
+  AccountInfo primary_account_info;
+  primary_account_info.email = username_;
+  primary_account_info.gaia = gaia_id_;
   std::unique_ptr<base::DictionaryValue> value(
-      syncer::sync_ui_util::ConstructAboutInformation_DEPRECATED(
-          service(), chrome::GetChannel()));
+      syncer::sync_ui_util::ConstructAboutInformation(
+          service(), primary_account_info, chrome::GetChannel()));
   std::string service_status;
   base::JSONWriter::WriteWithOptions(
       *value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &service_status);