Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

ios/chrome/browser/sync/fake_sync_service_factory.cc

Index: ios/chrome/browser/sync/fake_sync_service_factory.cc
diff --git a/ios/chrome/browser/sync/fake_sync_service_factory.cc b/ios/chrome/browser/sync/fake_sync_service_factory.cc
index 144f13fe0ec7d43665cbd999136b2a1b5e1e0869..02b4f3027a7db78c7b70f8a27434e356e0a768d5 100644
--- a/ios/chrome/browser/sync/fake_sync_service_factory.cc
+++ b/ios/chrome/browser/sync/fake_sync_service_factory.cc
@@ -18,10 +18,12 @@ class KeyedFakeSyncService : public KeyedService {
  public:
   KeyedFakeSyncService() {}
 
-  syncer::FakeSyncService* fake_sync_service() { return &fake_sync_service_; }
+  sync_driver::FakeSyncService* fake_sync_service() {
+    return &fake_sync_service_;
+  }
 
  private:
-  syncer::FakeSyncService fake_sync_service_;
+  sync_driver::FakeSyncService fake_sync_service_;
 };
 
 }  // namespace
@@ -34,7 +36,7 @@ FakeSyncServiceFactory* FakeSyncServiceFactory::GetInstance() {
 }
 
 // static
-syncer::FakeSyncService* FakeSyncServiceFactory::GetForBrowserState(
+sync_driver::FakeSyncService* FakeSyncServiceFactory::GetForBrowserState(
     ios::ChromeBrowserState* browser_state) {
   return static_cast<KeyedFakeSyncService*>(
              FakeSyncServiceFactory::GetInstance()->GetServiceForBrowserState(
@@ -43,7 +45,8 @@ syncer::FakeSyncService* FakeSyncServiceFactory::GetForBrowserState(
 }
 
 // static
-syncer::FakeSyncService* FakeSyncServiceFactory::GetForBrowserStateIfExists(
+sync_driver::FakeSyncService*
+FakeSyncServiceFactory::GetForBrowserStateIfExists(
     ios::ChromeBrowserState* browser_state) {
   return static_cast<KeyedFakeSyncService*>(
              FakeSyncServiceFactory::GetInstance()->GetServiceForBrowserState(