GCM: Add Android UMA, and UMA for deleted/collapsed messages

components/gcm_driver/gcm_stats_recorder_impl.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 COMPONENTS_GCM_DRIVER_GCM_STATS_RECORDER_IMPL_H_
 #define COMPONENTS_GCM_DRIVER_GCM_STATS_RECORDER_IMPL_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 60 matching lines @@
       const std::string& source,
       UnregistrationRequest::Status status) override;
   void RecordUnregistrationRetryDelayed(const std::string& app_id,
                                         const std::string& source,
                                         int64_t delay_msec,
                                         int retries_left) override;
   void RecordDataMessageReceived(const std::string& app_id,
                                  const std::string& from,
                                  int message_byte_size,
                                  bool to_registered_app,
-                                 ReceivedMessageType message_type) override;
+                                 ReceivedMessageType message_type,
+                                 bool has_collapse_key,
+                                 int deleted_count) override;
   void RecordDataSentToWire(const std::string& app_id,
                             const std::string& receiver_id,
                             const std::string& message_id,
                             int queued) override;
   void RecordNotifySendStatus(const std::string& app_id,
                               const std::string& receiver_id,
                               const std::string& message_id,
                               MCSClient::MessageSendStatus status,
                               int byte_size,
                               int ttl) override;
@@ skipping 71 matching lines @@
   base::TimeTicks last_received_data_message_burst_start_time_;
   base::TimeTicks last_received_data_message_time_within_burst_;
   int64_t received_data_message_burst_size_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMStatsRecorderImpl);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_STATS_RECORDER_IMPL_H_