Record connection, registration, and receiving activities.

google_apis/gcm/engine/registration_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_REGISTRATION_REQUEST_H_
 #define GOOGLE_APIS_GCM_ENGINE_REGISTRATION_REQUEST_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "google_apis/gcm/base/gcm_export.h"
 #include "net/base/backoff_entry.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace gcm {
 
+class GCMStatsRecorder;
+
 // Registration request is used to obtain registration IDs for applications that
 // want to use GCM. It requires a set of parameters to be specified to identify
 // the Chrome instance, the user, the application and a set of senders that will
 // be authorized to address the application using it's assigned registration ID.
 class GCM_EXPORT RegistrationRequest : public net::URLFetcherDelegate {
  public:
   // This enum is also used in an UMA histogram (GCMRegistrationRequestStatus
   // enum defined in tools/metrics/histograms/histogram.xml). Hence the entries
   // here shouldn't be deleted or re-ordered and new ones should be added to
   // the end.
@@ skipping 39 matching lines @@
     std::string cert;
     // List of IDs of senders. Allowed up to 100.
     std::vector<std::string> sender_ids;
   };
 
   RegistrationRequest(
       const RequestInfo& request_info,
       const net::BackoffEntry::Policy& backoff_policy,
       const RegistrationCallback& callback,
       int max_retry_count,
-      scoped_refptr<net::URLRequestContextGetter> request_context_getter);
+      scoped_refptr<net::URLRequestContextGetter> request_context_getter,
+      GCMStatsRecorder* recorder);
   virtual ~RegistrationRequest();
 
   void Start();
 
   // URLFetcherDelegate implementation.
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
  private:
   // Schedules a retry attempt, informs the backoff of a previous request's
   // failure, when |update_backoff| is true.
   void RetryWithBackoff(bool update_backoff);
 
   // Parse the response returned by the URL fetcher into token, and returns the
   // status.
   Status ParseResponse(const net::URLFetcher* source, std::string* token);
 
   RegistrationCallback callback_;
   RequestInfo request_info_;
 
   net::BackoffEntry backoff_entry_;
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
   int retries_left_;
 
+  // Recorder that records GCM activities for debugging purpose. Not owned.
+  GCMStatsRecorder* recorder_;
+
   base::WeakPtrFactory<RegistrationRequest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RegistrationRequest);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_REGISTRATION_REQUEST_H_