[Sync] Fix namespaces for the browser_sync component.

components/browser_sync/profile_sync_service_typed_url_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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 25 matching lines @@
 #include "components/sync/core/read_node.h"
 #include "components/sync/core/read_transaction.h"
 #include "components/sync/core/write_node.h"
 #include "components/sync/core/write_transaction.h"
 #include "components/sync/driver/data_type_manager_impl.h"
 #include "components/sync/protocol/typed_url_specifics.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
-using browser_sync::TypedUrlDataTypeController;
 using history::HistoryBackend;
 using history::HistoryBackendNotifier;
 using history::TypedUrlSyncableService;
 using testing::DoAll;
 using testing::Return;
 using testing::SetArgumentPointee;
 using testing::_;
 
+namespace browser_sync {
+
 namespace {
 
 const char kDummySavingBrowserHistoryDisabled[] = "dummyPref";
 
 // Visits with this timestamp are treated as expired.
 static const int EXPIRED_VISIT = -1;
 
 ACTION(ReturnNewDataTypeManager) {
   return new sync_driver::DataTypeManagerImpl(arg0, arg1, arg2, arg3, arg4);
 }
@@ skipping 113 matching lines @@
     data_type_thread()->task_runner()->PostTaskAndReply(
         FROM_HERE,
         base::Bind(&ProfileSyncServiceTypedUrlTest::CreateHistoryService,
                    base::Unretained(this)),
         run_loop.QuitClosure());
     run_loop.Run();
     history_service_ = base::WrapUnique(new HistoryServiceMock);
     history_service_->set_task_runner(data_type_thread()->task_runner());
     history_service_->set_backend(history_backend_);
 
-    browser_sync::ProfileSyncServiceBundle::SyncClientBuilder builder(
+    ProfileSyncServiceBundle::SyncClientBuilder builder(
         profile_sync_service_bundle());
     builder.SetHistoryService(history_service_.get());
     builder.SetSyncServiceCallback(GetSyncServiceCallback());
     builder.SetSyncableServiceCallback(
         base::Bind(&ProfileSyncServiceTypedUrlTest::GetSyncableServiceForType,
                    base::Unretained(this)));
     builder.set_activate_model_creation();
     sync_client_ = builder.Build();
   }
 
@@ skipping 844 matching lines @@
   history::URLRows changed_urls;
   changed_urls.push_back(updated_url_entry);
   SendNotificationURLsModified(changed_urls);
 
   history::URLRows new_sync_entries;
   GetTypedUrlsFromSyncDB(&new_sync_entries);
 
   // The change should be ignored.
   ASSERT_EQ(0U, new_sync_entries.size());
 }
+
+}  // namespace browser_sync