Add more UMAs for Instance ID

google_apis/gcm/engine/unregistration_request.h

 // Copyright 2014 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_UNREGISTRATION_REQUEST_H_
 #define GOOGLE_APIS_GCM_ENGINE_UNREGISTRATION_REQUEST_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
@@ skipping 68 matching lines @@
     virtual ~CustomRequestHandler();
 
     // Builds the HTTP request body data. It is called after
     // UnregistrationRequest::BuildRequestBody to append more custom info to
     // |body|. Note that the request body is encoded in HTTP form format.
     virtual void BuildRequestBody(std::string* body) = 0;
 
     // Parses the HTTP response. It is called after
     // UnregistrationRequest::ParseResponse to proceed the parsing.
     virtual Status ParseResponse(const net::URLFetcher* source) = 0;
+
+    // Reports various UMAs, including status, retry count and completion time.
+    virtual void ReportUMAs(Status status,
+                            int retry_count,
+                            base::TimeDelta complete_time) = 0;
   };
 
   // Creates an instance of UnregistrationRequest. |callback| will be called
   // once registration has been revoked or there has been an error that makes
   // further retries pointless.
   UnregistrationRequest(
       const GURL& registration_url,
       const RequestInfo& request_info,
       scoped_ptr<CustomRequestHandler> custom_request_handler,
       const net::BackoffEntry::Policy& backoff_policy,
@@ skipping 31 matching lines @@
   GCMStatsRecorder* recorder_;
 
   base::WeakPtrFactory<UnregistrationRequest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UnregistrationRequest);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_UNREGISTRATION_REQUEST_H_