[Sync] Move //components/sync to the syncer namespace.

components/sync/driver/sync_util.cc

 // Copyright 2015 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/sync_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "components/sync/driver/sync_driver_switches.h"
@@ skipping 27 matching lines @@
 #elif defined(OS_OPENBSD)
   system = "OPENBSD ";
 #elif defined(OS_MACOSX)
   system = "MAC ";
 #endif
   return system;
 }
 
 }  // namespace
 
+namespace syncer {
 namespace internal {
 
 const char* kSyncServerUrl = "https://clients4.google.com/chrome-sync";
 
 const char* kSyncDevServerUrl = "https://clients4.google.com/chrome-sync/dev";
 
 std::string FormatUserAgentForSync(const std::string& system,
                                    version_info::Channel channel) {
   std::string user_agent;
   user_agent = "Chrome ";
@@ skipping 39 matching lines @@
     }
   }
   return result;
 }
 
 std::string MakeUserAgentForSync(version_info::Channel channel,
                                  bool is_tablet) {
   std::string system = GetSystemString(is_tablet);
   return internal::FormatUserAgentForSync(system, channel);
 }
+
+}  // namespace syncer