Add more UMAs for Instance ID

google_apis/gcm/engine/gcm_registration_request_handler.h

 // Copyright 2015 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 GOOGLE_APIS_GCM_ENGINE_GCM_REGISTRATION_REQUEST_HANDLER_H_
 #define GOOGLE_APIS_GCM_ENGINE_GCM_REGISTRATION_REQUEST_HANDLER_H_
 
 #include "google_apis/gcm/engine/registration_request.h"
 
 namespace gcm {
 
 // Used to obtain the registration ID for applications that want to use GCM.
 class GCM_EXPORT GCMRegistrationRequestHandler :
     public RegistrationRequest::CustomRequestHandler {
  public:
   GCMRegistrationRequestHandler(const std::string& senders);
   ~GCMRegistrationRequestHandler() override;
 
   // RegistrationRequest::RequestHandler overrides:
   void BuildRequestBody(std::string* body) override;
+  void ReportUMAs(RegistrationRequest::Status status,
+                  int retry_count,
+                  base::TimeDelta complete_time) override;
 
  private:
   std::string senders_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMRegistrationRequestHandler);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_GCM_REGISTRATION_REQUEST_HANDLER_H_