[SyncFS] Split SyncEngine and SyncEngineContext

chrome/browser/sync_file_system/drive_backend/conflict_resolver.cc

 // Copyright 2013 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_file_system/drive_backend/conflict_resolver.h"
 
 #include "base/callback.h"
 #include "base/format_macros.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "chrome/browser/drive/drive_api_util.h"
 #include "chrome/browser/drive/drive_service_interface.h"
 #include "chrome/browser/drive/drive_uploader.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_util.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
 #include "chrome/browser/sync_file_system/logger.h"
 #include "google_apis/drive/drive_api_parser.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 ConflictResolver::ConflictResolver(SyncEngineContext* sync_context)
     : sync_context_(sync_context),
-      weak_ptr_factory_(this) {
-}
+      weak_ptr_factory_(this) {}
 
-ConflictResolver::~ConflictResolver() {
-}
+ConflictResolver::~ConflictResolver() {}
 
 void ConflictResolver::RunSequential(const SyncStatusCallback& callback) {
   if (!IsContextReady()) {
     NOTREACHED();
     callback.Run(SYNC_STATUS_FAILED);
     return;
   }
 
   // Conflict resolution should be invoked on clean tree.
   if (metadata_database()->HasDirtyTracker()) {
@@ skipping 265 matching lines @@
   set_used_network(true);
   return sync_context_->GetDriveService();
 }
 
 MetadataDatabase* ConflictResolver::metadata_database() {
   return sync_context_->GetMetadataDatabase();
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system