Add checkin activity recording to gcm recorder.

google_apis/gcm/engine/checkin_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_CHECKIN_REQUEST_H_
 #define GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "google_apis/gcm/base/gcm_export.h"
 #include "google_apis/gcm/protocol/android_checkin.pb.h"
 #include "google_apis/gcm/protocol/checkin.pb.h"
 #include "net/base/backoff_entry.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "url/gurl.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace gcm {
 
+class GCMStatsRecorder;
+
 // Enables making check-in requests with the GCM infrastructure. When called
 // with android_id and security_token both set to 0 it is an initial check-in
 // used to obtain credentials. These should be persisted and used for subsequent
 // check-ins.
 class GCM_EXPORT CheckinRequest : public net::URLFetcherDelegate {
  public:
   // A callback function for the checkin request, accepting |checkin_response|
   // protobuf.
   typedef base::Callback<void(const checkin_proto::AndroidCheckinResponse&
                                   checkin_response)> CheckinRequestCallback;
@@ skipping 16 matching lines @@
     // Account IDs of GAIA accounts related to this device.
     std::vector<std::string> account_ids;
     // Information of the Chrome build of this device.
     checkin_proto::ChromeBuildProto chrome_build_proto;
   };
 
   CheckinRequest(const GURL& checkin_url,
                  const RequestInfo& request_info,
                  const net::BackoffEntry::Policy& backoff_policy,
                  const CheckinRequestCallback& callback,
-                 net::URLRequestContextGetter* request_context_getter);
+                 net::URLRequestContextGetter* request_context_getter,
+                 GCMStatsRecorder* recorder);
   virtual ~CheckinRequest();
 
   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);
 
   net::URLRequestContextGetter* request_context_getter_;
   CheckinRequestCallback callback_;
 
   net::BackoffEntry backoff_entry_;
   GURL checkin_url_;
   scoped_ptr<net::URLFetcher> url_fetcher_;
   const RequestInfo request_info_;
 
+  // Recorder that records GCM activities for debugging purpose. Not owned.
+  GCMStatsRecorder* recorder_;
+
   base::WeakPtrFactory<CheckinRequest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CheckinRequest);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_