sync: Add DeviceInfo protobuf and supporting code

chrome/browser/sync/profile_sync_service_session_unittest.cc

 // Copyright (c) 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 <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ skipping 51 matching lines @@
 using syncer::TestIdFactory;
 
 namespace browser_sync {
 
 namespace {
 
 void BuildSessionSpecifics(const std::string& tag,
                            sync_pb::SessionSpecifics* meta) {
   meta->set_session_tag(tag);
   sync_pb::SessionHeader* header = meta->mutable_header();
-  header->set_device_type(sync_pb::SessionHeader_DeviceType_TYPE_LINUX);
+  header->set_device_type(sync_pb::SyncEnums_DeviceType_TYPE_LINUX);
   header->set_client_name("name");
 }
 
 void AddWindowSpecifics(int window_id,
                         const std::vector<int>& tab_list,
                         sync_pb::SessionSpecifics* meta) {
   sync_pb::SessionHeader* header = meta->mutable_header();
   sync_pb::SessionWindow* window = header->add_window();
   window->set_window_id(window_id);
   window->set_selected_tab_index(0);
@@ skipping 1112 matching lines @@
     sync_pb::SessionSpecifics specifics;
     header.SetSessionSpecifics(specifics);
   }
   // Ensure we associate properly despite the pre-existing node with our local
   // tag.
   error = model_associator_->AssociateModels();
   ASSERT_FALSE(error.IsSet());
 }
 
 }  // namespace browser_sync