Move JoinString to the base namespace

chrome/browser/chromeos/system_logs/debug_daemon_log_source.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 "chrome/browser/chromeos/system_logs/debug_daemon_log_source.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
@@ skipping 62 matching lines @@
                                   weak_ptr_factory_.GetWeakPtr()));
   }
   ++num_pending_requests_;
 }
 
 void DebugDaemonLogSource::OnGetRoutes(bool succeeded,
                                        const std::vector<std::string>& routes) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   if (succeeded)
-    (*response_)[kRoutesKeyName] = JoinString(routes, '\n');
+    (*response_)[kRoutesKeyName] = base::JoinString(routes, "\n");
   else
     (*response_)[kRoutesKeyName] = kNotAvailable;
   RequestCompleted();
 }
 
 void DebugDaemonLogSource::OnGetNetworkStatus(bool succeeded,
                                               const std::string& status) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   if (succeeded)
@@ skipping 104 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!callback_.is_null());
 
   --num_pending_requests_;
   if (num_pending_requests_ > 0)
     return;
   callback_.Run(response_.get());
 }
 
 }  // namespace system_logs