[Sync] Add histograms for cookie jar state on Sessions commit

sync/engine/syncer.cc

 // Copyright (c) 2012 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.
 
 #include "sync/engine/syncer.h"
 
 #include <memory>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 161 matching lines @@
 }
 
 SyncerError Syncer::BuildAndPostCommits(ModelTypeSet requested_types,
                                         sessions::NudgeTracker* nudge_tracker,
                                         sessions::SyncSession* session,
                                         CommitProcessor* commit_processor) {
   // The ExitRequested() check is unnecessary, since we should start getting
   // errors from the ServerConnectionManager if an exist has been requested.
   // However, it doesn't hurt to check it anyway.
   while (!ExitRequested()) {
-    std::unique_ptr<Commit> commit(Commit::Init(
-        requested_types, session->context()->GetEnabledTypes(),
-        session->context()->max_commit_batch_size(),
-        session->context()->account_name(),
-        session->context()->directory()->cache_guid(),
-        session->context()->cookie_jar_mismatch(), commit_processor,
-        session->context()->extensions_activity()));
+    std::unique_ptr<Commit> commit(
+        Commit::Init(requested_types, session->context()->GetEnabledTypes(),
+                     session->context()->max_commit_batch_size(),
+                     session->context()->account_name(),
+                     session->context()->directory()->cache_guid(),
+                     session->context()->cookie_jar_mismatch(),
+                     session->context()->cookie_jar_empty(), commit_processor,
+                     session->context()->extensions_activity()));
     if (!commit) {
       break;
     }
 
     SyncerError error = commit->PostAndProcessResponse(
         nudge_tracker, session, session->mutable_status_controller(),
         session->context()->extensions_activity());
     commit->CleanUp();
     if (error != SYNCER_OK) {
       return error;
@@ skipping 25 matching lines @@
 }
 
 bool Syncer::PostClearServerData(SyncSession* session) {
   DCHECK(session);
   ClearServerData clear_server_data(session->context()->account_name());
   const SyncerError post_result = clear_server_data.SendRequest(session);
   return post_result == SYNCER_OK;
 }
 
 }  // namespace syncer