[Sync] Cache encrypted types info in ProfileSyncService

chrome/browser/sync/profile_sync_service_harness.cc

 // Copyright (c) 2011 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 "chrome/browser/sync/profile_sync_service_harness.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <iterator>
 #include <ostream>
@@ skipping 1092 matching lines @@
                << kLiveSyncOperationTimeoutMs / 1000
                << " seconds.";
     return false;
   }
   return IsTypeEncrypted(type);
 }
 
 bool ProfileSyncServiceHarness::IsTypeEncrypted(syncable::ModelType type) {
   syncable::ModelTypeSet encrypted_types;
   service_->GetEncryptedDataTypes(&encrypted_types);
-  return (encrypted_types.count(type) != 0);
+  bool is_type_encrypted = (encrypted_types.count(type) != 0);
+  VLOG(2) << syncable::ModelTypeToString(type) << " is "
+          << (is_type_encrypted ? "" : "not ") << "encrypted; "
+          << "encrypted types = "
+          << syncable::ModelTypeSetToString(encrypted_types);
+  return is_type_encrypted;
 }
 
 bool ProfileSyncServiceHarness::IsTypeRunning(syncable::ModelType type) {
   browser_sync::DataTypeController::StateMap state_map;
   service_->GetDataTypeControllerStates(&state_map);
   return (state_map.count(type) != 0 &&
           state_map[type] == browser_sync::DataTypeController::RUNNING);
 }
 
 bool ProfileSyncServiceHarness::IsTypePreferred(syncable::ModelType type) {
   syncable::ModelTypeSet synced_types;
   service_->GetPreferredDataTypes(&synced_types);
   return (synced_types.count(type) != 0);
 }
 
 std::string ProfileSyncServiceHarness::GetServiceStatus() {
   DictionaryValue value;
   sync_ui_util::ConstructAboutInformation(service_, &value);
   std::string service_status;
   base::JSONWriter::Write(&value, true, &service_status);
   return service_status;
 }