[Sync] Rename csync namespace to syncer

sync/util/get_session_name.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 "sync/util/get_session_name.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/sys_info.h"
 #include "base/task_runner.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #elif defined(OS_LINUX)
 #include "base/linux_util.h"
 #elif defined(OS_MACOSX)
 #include "sync/util/get_session_name_mac.h"
 #elif defined(OS_WIN)
 #include "sync/util/get_session_name_win.h"
 #elif defined(OS_ANDROID)
 #include "sync/util/session_utils_android.h"
 #endif
 
-namespace csync {
+namespace syncer {
 
 namespace {
 
 std::string GetSessionNameSynchronously() {
   std::string session_name;
 #if defined(OS_CHROMEOS)
   // TODO(kochi): This is very ad hoc and fragile. http://crosbug.com/30619.
   std::string board;
   const char kMachineInfoBoard[] = "CHROMEOS_RELEASE_BOARD";
   chromeos::system::StatisticsProvider* provider =
@@ skipping 41 matching lines @@
                  base::Unretained(session_name)),
       base::Bind(&OnSessionNameFilled,
                  done_callback,
                  base::Owned(session_name)));
 }
 
 std::string GetSessionNameSynchronouslyForTesting() {
   return GetSessionNameSynchronously();
 }
 
-}  // namespace csync
+}  // namespace syncer