[Sync] Convert Autocomplete to use sync's report error function.

ios/chrome/browser/web_data_service_factory.cc

Index: ios/chrome/browser/web_data_service_factory.cc
diff --git a/ios/chrome/browser/web_data_service_factory.cc b/ios/chrome/browser/web_data_service_factory.cc
index 10075339401f2c011367cb5966b5a847c1a9b5d5..e31c86770ed647032dc26db8d6470b3249d1d5d9 100644
--- a/ios/chrome/browser/web_data_service_factory.cc
+++ b/ios/chrome/browser/web_data_service_factory.cc
@@ -19,6 +19,7 @@
 #include "ios/chrome/browser/browser_state/browser_state_otr_helper.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/sync/glue/sync_start_util.h"
+#include "ios/chrome/common/channel_info.h"
 #include "ios/web/public/web_thread.h"
 
 namespace ios {
@@ -102,7 +103,7 @@ std::unique_ptr<KeyedService> WebDataServiceFactory::BuildServiceInstanceFor(
       web::WebThread::GetTaskRunnerForThread(web::WebThread::UI),
       web::WebThread::GetTaskRunnerForThread(web::WebThread::DB),
       ios::sync_start_util::GetFlareForSyncableService(browser_state_path),
-      &DoNothingOnErrorCallback);
+      &DoNothingOnErrorCallback, GetChannel());
 }
 
 web::BrowserState* WebDataServiceFactory::GetBrowserStateToUse(