Move BrowserThread to content namespace.

chrome/browser/extensions/extension_settings_sync_unittest.cc

 // Copyright (c) 2011 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 "testing/gtest/include/gtest/gtest.h"
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_settings_backend.h"
 #include "chrome/browser/extensions/extension_settings_frontend.h"
 #include "chrome/browser/extensions/extension_settings_storage_cache.h"
 #include "chrome/browser/extensions/extension_settings_sync_util.h"
 #include "chrome/browser/extensions/syncable_extension_settings_storage.h"
 #include "chrome/browser/sync/api/sync_change_processor.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/test/test_browser_thread.h"
 
+using content::BrowserThread;
+
 // TODO(kalman): Integration tests for sync.
 
 namespace {
 
 // Gets the pretty-printed JSON for a value.
 static std::string GetJson(const Value& value) {
   std::string json;
   base::JSONWriter::Write(&value, true, &json);
   return json;
 }
@@ skipping 469 matching lines @@
       sync_.GetOnlyChange("s3", "bar").change_type());
   ASSERT_EQ(
       SyncChange::ACTION_DELETE,
       sync_.GetOnlyChange("s4", "foo").change_type());
   ASSERT_EQ(
       SyncChange::ACTION_DELETE,
       sync_.GetOnlyChange("s4", "bar").change_type());
 
   backend_->StopSyncing(syncable::EXTENSION_SETTINGS);
 }