identity.getAccounts should return one array instead of multiple AccountInfos

chrome/browser/extensions/api/identity/identity_api.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/extensions/api/identity/identity_api.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 258 matching lines @@
   base::ListValue* infos = new base::ListValue();
 
   for (std::vector<std::string>::const_iterator it = gaia_ids.begin();
        it != gaia_ids.end();
        ++it) {
     api::identity::AccountInfo account_info;
     account_info.id = *it;
     infos->Append(account_info.ToValue().release());
   }
 
-  return RespondNow(MultipleArguments(infos));
+  return RespondNow(SingleArgument(infos));
 }
 
 IdentityGetAuthTokenFunction::IdentityGetAuthTokenFunction()
     : OAuth2TokenService::Consumer("extensions_identity_api"),
       should_prompt_for_scopes_(false),
       should_prompt_for_signin_(false) {}
 
 IdentityGetAuthTokenFunction::~IdentityGetAuthTokenFunction() {}
 
 bool IdentityGetAuthTokenFunction::RunAsync() {
@@ skipping 539 matching lines @@
 void IdentityLaunchWebAuthFlowFunction::OnAuthFlowURLChange(
     const GURL& redirect_url) {
   if (redirect_url.GetWithEmptyPath() == final_url_prefix_) {
     SetResult(new base::StringValue(redirect_url.spec()));
     SendResponse(true);
     Release();  // Balanced in RunAsync.
   }
 }
 
 }  // namespace extensions