[Sync] Move sessions/ to engine/cycle/ and rename things to match.

components/sync/sessions_impl/directory_type_debug_info_emitter.cc

Index: components/sync/sessions_impl/directory_type_debug_info_emitter.cc
diff --git a/components/sync/sessions_impl/directory_type_debug_info_emitter.cc b/components/sync/sessions_impl/directory_type_debug_info_emitter.cc
deleted file mode 100644
index 21201d06181aad545acea08a6f3c6a65e4669a41..0000000000000000000000000000000000000000
--- a/components/sync/sessions_impl/directory_type_debug_info_emitter.cc
+++ /dev/null
@@ -1,90 +0,0 @@
-// 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 "components/sync/sessions_impl/directory_type_debug_info_emitter.h"
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "components/sync/sessions/status_counters.h"
-#include "components/sync/sessions/type_debug_info_observer.h"
-#include "components/sync/syncable/entry.h"
-#include "components/sync/syncable/syncable_read_transaction.h"
-
-namespace syncer {
-
-DirectoryTypeDebugInfoEmitter::DirectoryTypeDebugInfoEmitter(
-    syncable::Directory* directory,
-    syncer::ModelType type,
-    base::ObserverList<TypeDebugInfoObserver>* observers)
-    : directory_(directory),
-      type_(type),
-      type_debug_info_observers_(observers) {}
-
-DirectoryTypeDebugInfoEmitter::DirectoryTypeDebugInfoEmitter(
-    ModelType type,
-    base::ObserverList<TypeDebugInfoObserver>* observers)
-    : directory_(NULL), type_(type), type_debug_info_observers_(observers) {}
-
-DirectoryTypeDebugInfoEmitter::~DirectoryTypeDebugInfoEmitter() {}
-
-std::unique_ptr<base::ListValue> DirectoryTypeDebugInfoEmitter::GetAllNodes() {
-  syncable::ReadTransaction trans(FROM_HERE, directory_);
-  std::unique_ptr<base::ListValue> nodes(
-      directory_->GetNodeDetailsForType(&trans, type_));
-  return nodes;
-}
-
-const CommitCounters& DirectoryTypeDebugInfoEmitter::GetCommitCounters() const {
-  return commit_counters_;
-}
-
-CommitCounters* DirectoryTypeDebugInfoEmitter::GetMutableCommitCounters() {
-  return &commit_counters_;
-}
-
-void DirectoryTypeDebugInfoEmitter::EmitCommitCountersUpdate() {
-  FOR_EACH_OBSERVER(TypeDebugInfoObserver, (*type_debug_info_observers_),
-                    OnCommitCountersUpdated(type_, commit_counters_));
-}
-
-const UpdateCounters& DirectoryTypeDebugInfoEmitter::GetUpdateCounters() const {
-  return update_counters_;
-}
-
-UpdateCounters* DirectoryTypeDebugInfoEmitter::GetMutableUpdateCounters() {
-  return &update_counters_;
-}
-
-void DirectoryTypeDebugInfoEmitter::EmitUpdateCountersUpdate() {
-  FOR_EACH_OBSERVER(TypeDebugInfoObserver, (*type_debug_info_observers_),
-                    OnUpdateCountersUpdated(type_, update_counters_));
-}
-
-void DirectoryTypeDebugInfoEmitter::EmitStatusCountersUpdate() {
-  // This is expensive.  Avoid running this code unless about:sync is open.
-  if (!type_debug_info_observers_->might_have_observers())
-    return;
-
-  syncable::ReadTransaction trans(FROM_HERE, directory_);
-  std::vector<int64_t> result;
-  directory_->GetMetaHandlesOfType(&trans, type_, &result);
-
-  StatusCounters counters;
-  counters.num_entries_and_tombstones = result.size();
-
-  for (std::vector<int64_t>::const_iterator it = result.begin();
-       it != result.end(); ++it) {
-    syncable::Entry e(&trans, syncable::GET_BY_HANDLE, *it);
-    if (!e.GetIsDel()) {
-      counters.num_entries++;
-    }
-  }
-
-  FOR_EACH_OBSERVER(TypeDebugInfoObserver, (*type_debug_info_observers_),
-                    OnStatusCountersUpdated(type_, counters));
-}
-
-}  // namespace syncer