Move JoinString to the base namespace

components/signin/core/browser/gaia_cookie_manager_service.cc

 // Copyright 2014 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/signin/core/browser/gaia_cookie_manager_service.h"
 
 #include <queue>
 #include <vector>
 
 #include "base/json/json_reader.h"
@@ skipping 96 matching lines @@
   CleanupTransientState();
 }
 
 std::string
 GaiaCookieManagerService::ExternalCcResultFetcher::GetExternalCcResult() {
   std::vector<std::string> results;
   for (ResultMap::const_iterator it = results_.begin(); it != results_.end();
        ++it) {
     results.push_back(it->first + ":" + it->second);
   }
-  return JoinString(results, ",");
+  return base::JoinString(results, ",");
 }
 
 void GaiaCookieManagerService::ExternalCcResultFetcher::Start() {
   m_external_cc_result_start_time_ = base::Time::Now();
 
   CleanupTransientState();
   results_.clear();
   helper_->gaia_auth_fetcher_.reset(
       helper_->signin_client_->CreateGaiaAuthFetcher(
           this, helper_->source_, helper_->request_context()));
@@ skipping 577 matching lines @@
         break;
       case GaiaCookieRequestType::LIST_ACCOUNTS:
         uber_token_fetcher_.reset();
         signin_client_->DelayNetworkCall(
             base::Bind(&GaiaCookieManagerService::StartFetchingListAccounts,
                        base::Unretained(this)));
         break;
     };
   }
 }