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

sync/engine/commit.cc

 // Copyright 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/commit.h"
 
 #include <stddef.h>
 
 #include "base/metrics/sparse_histogram.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 21 matching lines @@
   DCHECK(cleaned_up_);
 }
 
 Commit* Commit::Init(
     ModelTypeSet requested_types,
     ModelTypeSet enabled_types,
     size_t max_entries,
     const std::string& account_name,
     const std::string& cache_guid,
     bool cookie_jar_mismatch,
+    bool cookie_jar_empty,
     CommitProcessor* commit_processor,
     ExtensionsActivity* extensions_activity) {
   // Gather per-type contributions.
   ContributionMap contributions;
   commit_processor->GatherCommitContributions(
       requested_types,
       max_entries,
+      cookie_jar_mismatch,
+      cookie_jar_empty,
       &contributions);
 
   // Give up if no one had anything to commit.
   if (contributions.empty())
     return NULL;
 
   sync_pb::ClientToServerMessage message;
   message.set_message_contents(sync_pb::ClientToServerMessage::COMMIT);
   message.set_share(account_name);
 
@@ skipping 127 matching lines @@
 
 void Commit::CleanUp() {
   for (ContributionMap::const_iterator it = contributions_.begin();
        it != contributions_.end(); ++it) {
     it->second->CleanUp();
   }
   cleaned_up_ = true;
 }
 
 }  // namespace syncer