Use service process to collect printers.

chrome/service/cloud_print/cloud_print_proxy.h

Index: chrome/service/cloud_print/cloud_print_proxy.h
diff --git a/chrome/service/cloud_print/cloud_print_proxy.h b/chrome/service/cloud_print/cloud_print_proxy.h
index 71c2d66662b2b980c13582daba3bf031f20a0a6a..3c6ddbbcd5bdb6b169bd4ff9dc5e1bfd90ab2587 100644
--- a/chrome/service/cloud_print/cloud_print_proxy.h
+++ b/chrome/service/cloud_print/cloud_print_proxy.h
@@ -51,6 +51,8 @@ class CloudPrintProxy : public CloudPrintProxyFrontend,
   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();
@@ -92,8 +94,6 @@ class CloudPrintProxy : public CloudPrintProxyFrontend,
   // 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_;