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

components/sync/driver/glue/ui_model_worker.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 "components/sync/driver/glue/ui_model_worker.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/threading/thread_restrictions.h"
 
-namespace syncer {
+namespace browser_sync {
 
 namespace {
 
 // A simple callback to signal a waitable event after running a closure.
-void CallDoWorkAndSignalCallback(const WorkCallback& work,
+void CallDoWorkAndSignalCallback(const syncer::WorkCallback& work,
                                  base::WaitableEvent* work_done,
-                                 SyncerError* error_info) {
+                                 syncer::SyncerError* error_info) {
   if (work.is_null()) {
     // This can happen during tests or cases where there are more than just the
     // default UIModelWorker in existence and it gets destroyed before
     // the main UI loop has terminated.  There is no easy way to assert the
     // loop is running / not running at the moment, so we just provide cancel
     // semantics here and short-circuit.
     // TODO(timsteele): Maybe we should have the message loop destruction
     // observer fire when the loop has ended, just a bit before it
     // actually gets destroyed.
     return;
   }
 
   *error_info = work.Run();
 
   work_done->Signal();  // Unblock the syncer thread that scheduled us.
 }
 
 }  // namespace
 
 UIModelWorker::UIModelWorker(
     const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
-    WorkerLoopDestructionObserver* observer)
-    : ModelSafeWorker(observer), ui_thread_(ui_thread) {}
+    syncer::WorkerLoopDestructionObserver* observer)
+    : syncer::ModelSafeWorker(observer), ui_thread_(ui_thread) {}
 
 void UIModelWorker::RegisterForLoopDestruction() {
   CHECK(ui_thread_->BelongsToCurrentThread());
   SetWorkingLoopToCurrent();
 }
 
-SyncerError UIModelWorker::DoWorkAndWaitUntilDoneImpl(
-    const WorkCallback& work) {
-  SyncerError error_info;
+syncer::SyncerError UIModelWorker::DoWorkAndWaitUntilDoneImpl(
+    const syncer::WorkCallback& work) {
+  syncer::SyncerError error_info;
   if (ui_thread_->BelongsToCurrentThread()) {
     DLOG(WARNING) << "DoWorkAndWaitUntilDone called from "
                   << "ui_loop_. Probably a nested invocation?";
     return work.Run();
   }
 
   if (!ui_thread_->PostTask(FROM_HERE,
                             base::Bind(&CallDoWorkAndSignalCallback, work,
                                        work_done_or_stopped(), &error_info))) {
     DLOG(WARNING) << "Could not post work to UI loop.";
-    error_info = CANNOT_DO_WORK;
+    error_info = syncer::CANNOT_DO_WORK;
     return error_info;
   }
   work_done_or_stopped()->Wait();
 
   return error_info;
 }
 
-ModelSafeGroup UIModelWorker::GetModelSafeGroup() {
-  return GROUP_UI;
+syncer::ModelSafeGroup UIModelWorker::GetModelSafeGroup() {
+  return syncer::GROUP_UI;
 }
 
 UIModelWorker::~UIModelWorker() {}
 
-}  // namespace syncer
+}  // namespace browser_sync