Move JoinString to the base namespace

google_apis/gaia/oauth2_access_token_fetcher_impl.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 "google_apis/gaia/oauth2_access_token_fetcher_impl.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 265 matching lines @@
   std::string enc_client_secret =
       net::EscapeUrlEncodedData(client_secret, true);
   std::string enc_refresh_token =
       net::EscapeUrlEncodedData(refresh_token, true);
   if (scopes.empty()) {
     return base::StringPrintf(kGetAccessTokenBodyFormat,
                               enc_client_id.c_str(),
                               enc_client_secret.c_str(),
                               enc_refresh_token.c_str());
   } else {
-    std::string scopes_string = JoinString(scopes, ' ');
+    std::string scopes_string = base::JoinString(scopes, " ");
     return base::StringPrintf(
         kGetAccessTokenBodyWithScopeFormat,
         enc_client_id.c_str(),
         enc_client_secret.c_str(),
         enc_refresh_token.c_str(),
         net::EscapeUrlEncodedData(scopes_string, true).c_str());
   }
 }
 
 // static
@@ skipping 13 matching lines @@
 // static
 bool OAuth2AccessTokenFetcherImpl::ParseGetAccessTokenFailureResponse(
     const net::URLFetcher* source,
     std::string* error) {
   CHECK(error);
   scoped_ptr<base::DictionaryValue> value = ParseGetAccessTokenResponse(source);
   if (value.get() == NULL)
     return false;
   return value->GetString(kErrorKey, error);
 }