Record connection, registration, and receiving activities.

google_apis/gcm/gcm_client.h

Index: google_apis/gcm/gcm_client.h
diff --git a/google_apis/gcm/gcm_client.h b/google_apis/gcm/gcm_client.h
index 5996c064c3eba9eb3bbbfc73bbf3736d0549a893..c913c855c3bda78b9274146a4a5f3f5713767b1b 100644
--- a/google_apis/gcm/gcm_client.h
+++ b/google_apis/gcm/gcm_client.h
@@ -105,6 +105,9 @@ class GCM_EXPORT GCMClient {
     int send_queue_size;
     int resend_queue_size;
 
+    std::vector<GCMStatsRecorder::ConnectionActivity> connection_activities;
+    std::vector<GCMStatsRecorder::RegistrationActivity> registration_activities;
+    std::vector<GCMStatsRecorder::ReceivingActivity> receiving_activities;
     std::vector<GCMStatsRecorder::SendingActivity> sending_activities;
   };