TileCache: remove redundant, expensive tracking in ClientSession.

No need for all these call outs. removeOutdatedTileSubscriptions can't,

Expect it is quicker now and more reliable to trace the tiles being
rendered and count the waiters.

Change-Id: I9724c7f38cf888b35c628857c0f11b51e74613ca

1 files changed, 0 insertions, 13 deletions

diff --git a/wsd/ClientSession.hpp b/wsd/ClientSession.hpp
index 827a0f8577..8db5b37183 100644
--- a/wsd/ClientSession.hpp
+++ b/wsd/ClientSession.hpp
@@ -21,7 +21,6 @@
 #include <map>
 #include <list>
 #include <utility>
-#include <unordered_set>
 
 class DocumentBroker;
 
@@ -130,14 +129,6 @@ public:
     /// Call this method anytime when a new tile is sent to the client
     void traceTileBySend(const TileDesc& tile, bool deduplicated = false);
 
-    /// Trask tiles what we a subscription to
-    void traceSubscribeToTile(const std::string& tileCacheName);
-    void traceUnSubscribeToTile(const std::string& tileCacheName);
-    void removeOutdatedTileSubscriptions();
-    void clearTileSubscription();
-
-    size_t getTilesBeingRenderedCount() const {return _tilesBeingRendered.size();}
-
     /// Clear wireId map anytime when client visible area changes (visible area, zoom, part number)
     void resetWireIdMap();
 
@@ -227,10 +218,6 @@ private:
     /// TileID's of the sent tiles. Push by sending and pop by tileprocessed message from the client.
     std::list<std::pair<std::string, std::chrono::steady_clock::time_point>> _tilesOnFly;
 
-    /// Names of tiles requested from kit, which this session is subsrcibed to
-    /// Track only non-thumbnail tiles (getId() == -1)
-    std::unordered_set<std::string> _tilesBeingRendered;
-
     /// Requested tiles are stored in this list, before we can send them to the client
     std::deque<TileDesc> _requestedTiles;