sync: Populate entity counts in about:sync tab

sync/engine/directory_commit_contribution.cc

 // Copyright 2014 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/directory_commit_contribution.h"
 
 #include "sync/engine/commit_util.h"
 #include "sync/engine/get_commit_ids.h"
 #include "sync/engine/syncer_util.h"
 #include "sync/internal_api/public/sessions/commit_counters.h"
@@ skipping 140 matching lines @@
   } else {
     LOG(FATAL) << "Inconsistent counts when processing commit response";
     return SYNCER_OK;
   }
 }
 
 void DirectoryCommitContribution::CleanUp() {
   DCHECK(syncing_bits_set_);
   UnsetSyncingBits();
   debug_info_emitter_->EmitCommitCountersUpdate();
+  debug_info_emitter_->EmitStatusCountersUpdate();
 }
 
 size_t DirectoryCommitContribution::GetNumEntries() const {
   return metahandles_.size();
 }
 
 DirectoryCommitContribution::DirectoryCommitContribution(
     const std::vector<int64>& metahandles,
     const google::protobuf::RepeatedPtrField<sync_pb::SyncEntity>& entities,
     const sync_pb::DataTypeContext& context,
@@ skipping 11 matching lines @@
   syncable::ModelNeutralWriteTransaction trans(FROM_HERE, SYNCER, dir_);
   for (std::vector<int64>::const_iterator it = metahandles_.begin();
        it != metahandles_.end(); ++it) {
     syncable::ModelNeutralMutableEntry entry(&trans, GET_BY_HANDLE, *it);
     entry.PutSyncing(false);
   }
   syncing_bits_set_ = false;
 }
 
 }  // namespace syncer