Use service process to collect printers.

chrome/service/cloud_print/cloud_print_proxy.h

 // 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.
 
 #ifndef CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_
 #define CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_
 
 #include <list>
 #include <string>
 #include <vector>
@@ skipping 33 matching lines @@
   void EnableForUser();
   void EnableForUserWithRobot(
       const std::string& robot_auth_code,
       const std::string& robot_email,
       const std::string& user_email,
       const base::DictionaryValue& user_settings);
   void UnregisterPrintersAndDisableForUser();
   void DisableForUser();
   // Returns the proxy info.
   void GetProxyInfo(CloudPrintProxyInfo* info);
+  // Return accessible printers.
+  void GetPrinters(std::vector<std::string>* printers);
 
   // Launches a browser to see if the proxy policy has been set.
   void CheckCloudPrintProxyPolicy();
 
   const std::string& user_email() const {
     return user_email_;
   }
 
   // CloudPrintProxyFrontend implementation. Called on UI thread.
   virtual void OnAuthenticated(const std::string& robot_oauth_refresh_token,
@@ skipping 21 matching lines @@
   ServiceProcessPrefs* service_prefs_;
   // This class does not own this. If non-NULL, It is guaranteed to remain
   // valid for the lifetime of this class.
   Client* client_;
   // The email address of the account used to authenticate to the Cloud Print
   // service.
   std::string user_email_;
   // This is set to true when the Cloud Print proxy is enabled and after
   // successful authentication with the Cloud Print service.
   bool enabled_;
-  // Connector settings.
-  ConnectorSettings settings_;
   // This is a cleanup class for unregistering printers on proxy disable.
   scoped_ptr<CloudPrintWipeout> wipeout_;
 
   DISALLOW_COPY_AND_ASSIGN(CloudPrintProxy);
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_SERVICE_CLOUD_PRINT_CLOUD_PRINT_PROXY_H_