[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 14 matching lines @@
                ExtensionsActivity::Records extensions_activity_buffer)
     : contributions_(std::move(contributions)),
       message_(message),
       extensions_activity_buffer_(extensions_activity_buffer),
       cleaned_up_(false) {}
 
 Commit::~Commit() {
   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,
-    CommitProcessor* commit_processor,
-    ExtensionsActivity* extensions_activity) {
+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,
-      &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);
 
   sync_pb::CommitMessage* commit_message = message.mutable_commit();
@@ skipping 126 matching lines @@
 
 void Commit::CleanUp() {
   for (ContributionMap::const_iterator it = contributions_.begin();
        it != contributions_.end(); ++it) {
     it->second->CleanUp();
   }
   cleaned_up_ = true;
 }
 
 }  // namespace syncer