Cleanup LocalDiscoveryUIHandler.

chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h

Index: chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h
diff --git a/chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h b/chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h
index 52a369deb8e783885791355cfdca9d9536784676..c347cffff8740a693a77eeb501d6e8647fec9da1 100644
--- a/chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h
+++ b/chrome/browser/extensions/api/cloud_print_private/cloud_print_private_api.h
@@ -24,6 +24,8 @@ struct UserSettings;
 // For use only in tests.
 class CloudPrintTestsDelegate {
  public:
+  static CloudPrintTestsDelegate* Get();
+
   CloudPrintTestsDelegate();
   virtual ~CloudPrintTestsDelegate();
 
@@ -38,12 +40,6 @@ class CloudPrintTestsDelegate {
   virtual std::string GetClientId() = 0;
 
   virtual std::vector<std::string> GetPrinters() = 0;
-
-  static CloudPrintTestsDelegate* instance();
-
- private:
-  // Points to single instance of this class during testing.
-  static CloudPrintTestsDelegate* instance_;
 };
 
 class CloudPrintPrivateSetupConnectorFunction