Cleanup many APIs to use ProfileKeyedAPI.

chrome/browser/extensions/api/sync_file_system/sync_file_system_api.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 "chrome/browser/extensions/api/sync_file_system/sync_file_system_api.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/sync_file_system/extension_sync_event_observer.h"
-#include "chrome/browser/extensions/api/sync_file_system/extension_sync_event_observer_factory.h"
 #include "chrome/browser/extensions/api/sync_file_system/sync_file_system_api_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync_file_system/drive_backend_v1/drive_file_sync_service.h"
 #include "chrome/browser/sync_file_system/sync_file_status.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 #include "chrome/common/extensions/api/sync_file_system.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/storage_partition.h"
@@ skipping 19 matching lines @@
 const char kErrorMessage[] = "%s (error code: %d).";
 const char kUnsupportedConflictResolutionPolicy[] =
     "Policy %s is not supported.";
 
 sync_file_system::SyncFileSystemService* GetSyncFileSystemService(
     Profile* profile) {
   sync_file_system::SyncFileSystemService* service =
       SyncFileSystemServiceFactory::GetForProfile(profile);
   DCHECK(service);
   ExtensionSyncEventObserver* observer =
-      ExtensionSyncEventObserverFactory::GetForProfile(profile);
+      ExtensionSyncEventObserver::GetFactoryInstance()->GetForProfile(profile);
   DCHECK(observer);
   observer->InitializeForService(service);
   return service;
 }
 
 std::string ErrorToString(SyncStatusCode code) {
   return base::StringPrintf(
       kErrorMessage,
       sync_file_system::SyncStatusCodeToString(code),
       static_cast<int>(code));
@@ skipping 311 matching lines @@
 
 bool SyncFileSystemGetServiceStatusFunction::RunImpl() {
   sync_file_system::SyncFileSystemService* service =
       GetSyncFileSystemService(GetProfile());
   results_ = api::sync_file_system::GetServiceStatus::Results::Create(
       SyncServiceStateToExtensionEnum(service->GetSyncServiceState()));
   return true;
 }
 
 }  // namespace extensions