Revert 264313 "Add activity recording capability to gcm internal..."

trunk/src/google_apis/gcm/engine/mcs_client.h

Index: trunk/src/google_apis/gcm/engine/mcs_client.h
===================================================================
--- trunk/src/google_apis/gcm/engine/mcs_client.h	(revision 264317)
+++ trunk/src/google_apis/gcm/engine/mcs_client.h	(working copy)
@@ -37,7 +37,6 @@
 
 class CollapseKey;
 class ConnectionFactory;
-class GCMStatsRecorder;
 struct ReliablePacketInfo;
 
 // An MCS client. This client is in charge of all communications with an
@@ -55,8 +54,6 @@
     CONNECTED,      // Connected and running.
   };
 
-  // Any change made to this enum should have corresponding change in the
-  // GetMessageSendStatusString(...) function in mcs_client.cc.
   enum MessageSendStatus {
     // Message was queued succcessfully.
     QUEUED,
@@ -64,19 +61,14 @@
     SENT,
     // Message not saved, because total queue size limit reached.
     QUEUE_SIZE_LIMIT_REACHED,
-    // Message not saved, because app queue size limit reached.
+    // Messgae not saved, because app queue size limit reached.
     APP_QUEUE_SIZE_LIMIT_REACHED,
     // Message too large to send.
     MESSAGE_TOO_LARGE,
     // Message not send becuase of TTL = 0 and no working connection.
     NO_CONNECTION_ON_ZERO_TTL,
     // Message exceeded TTL.
-    TTL_EXCEEDED,
-
-    // NOTE: always keep this entry at the end. Add new status types only
-    // immediately above this line. Make sure to update the corresponding
-    // histogram enum accordingly.
-    SEND_STATUS_COUNT
+    TTL_EXCEEDED
   };
 
   // Callback for MCSClient's error conditions.
@@ -97,8 +89,7 @@
   MCSClient(const std::string& version_string,
             base::Clock* clock,
             ConnectionFactory* connection_factory,
-            GCMStore* gcm_store,
-            GCMStatsRecorder* recorder);
+            GCMStore* gcm_store);
   virtual ~MCSClient();
 
   // Initialize the client. Will load any previous id/token information as well
@@ -136,12 +127,6 @@
   // Returns the current state of the client.
   State state() const { return state_; }
 
-  // Returns the size of the send message queue.
-  int GetSendQueueSize() const;
-
-  // Returns the size of the resend messaage queue.
-  int GetResendQueueSize() const;
-
   // Returns text representation of the state enum.
   std::string GetStateString() const;
 
@@ -274,9 +259,6 @@
   // Manager to handle triggering/detecting heartbeats.
   HeartbeatManager heartbeat_manager_;
 
-  // Recorder that records GCM activities for debugging purpose. Not owned.
-  GCMStatsRecorder* recorder_;
-
   base::WeakPtrFactory<MCSClient> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MCSClient);