Record connection, registration, and receiving activities.

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"
 #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;
+
 // Unregistration request is used to revoke registration IDs for applications
 // that were uninstalled and should no longer receive GCM messages. In case an
 // attempt to unregister fails, it will retry using the backoff policy.
 // TODO(fgorski): Consider sharing code with RegistrationRequest if possible.
 class GCM_EXPORT UnregistrationRequest : public net::URLFetcherDelegate {
  public:
   // Outcome of the response parsing. Note that these enums are consumed by a
   // histogram, so ordering should not be modified.
   enum Status {
     SUCCESS,                  // Unregistration completed successfully.
@@ skipping 33 matching lines @@
     std::string app_id;
   };
 
   // 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   // once registration has been revoked or there has been an error that makes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 RequestInfo& request_info,
       const net::BackoffEntry::Policy& backoff_policy,
       const UnregistrationCallback& callback,
-      scoped_refptr<net::URLRequestContextGetter> request_context_getter);
+      scoped_refptr<net::URLRequestContextGetter> request_context_getter,
+      GCMStatsRecorder* recorder);
   virtual ~UnregistrationRequest();
 
   // Starts an unregistration request.
   void Start();
 
   // URLFetcherDelegate implementation.
   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
 
  private:
   // Schedules a retry attempt and informs the backoff of previous request's
   // failure, when |update_backoff| is true.
   void RetryWithBackoff(bool update_backoff);
 
   UnregistrationCallback callback_;
   RequestInfo request_info_;
 
   net::BackoffEntry backoff_entry_;
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
 
+  // Recorder that records GCM activities for debugging purpose. Not owned.
+  GCMStatsRecorder* recorder_;
+
   base::WeakPtrFactory<UnregistrationRequest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UnregistrationRequest);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_UNREGISTRATION_REQUEST_H_