[unified-consent] Only record sync-paused suppress reason when needed

The sync-paused suppress reason should only be recorded when the
consent bump needs to be shown.

Bug: 876235
Change-Id: I65667f941bc7e15a49681e0b61d08ab070fc71da
Reviewed-on: https://chromium-review.googlesource.com/1183237Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Thomas Tangl <tangltom@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584745}

chrome/browser/ui/webui/signin/login_ui_service.cc

@@ -79,8 +79,10 @@ class ConsentBumpActivator : public BrowserListObserver,
             signin_manager->GetAuthenticatedAccountId())) {
       unified_consent::UnifiedConsentService* consent_service =
           UnifiedConsentServiceFactory::GetForProfile(profile_);
-      consent_service->RecordConsentBumpSuppressReason(
-          unified_consent::ConsentBumpSuppressReason::kSyncPaused);
+      if (consent_service->ShouldShowConsentBump()) {
+        consent_service->RecordConsentBumpSuppressReason(
+            unified_consent::ConsentBumpSuppressReason::kSyncPaused);
+      }
       return;
     }