diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 17028db..1039f47 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -46,6 +46,8 @@
 
 class Client;
 class DisplayHardware;
+class DisplayEventConnection;
+class EventThread;
 class Layer;
 class LayerDim;
 class LayerScreenshot;
@@ -171,6 +173,7 @@
                                                             int orientation, uint32_t flags);
     virtual int                         setOrientation(DisplayID dpy, int orientation, uint32_t flags);
     virtual bool                        authenticateSurfaceTexture(const sp<ISurfaceTexture>& surface) const;
+    virtual sp<IDisplayEventConnection> createDisplayEventConnection();
 
     virtual status_t captureScreen(DisplayID dpy,
             sp<IMemoryHeap>* heap,
@@ -222,6 +225,7 @@
 
 private:
     friend class Client;
+    friend class DisplayEventConnection;
     friend class LayerBase;
     friend class LayerBaseClient;
     friend class Layer;
@@ -331,6 +335,9 @@
             status_t electronBeamOffAnimationImplLocked();
             status_t electronBeamOnAnimationImplLocked();
 
+            void cleanupDisplayEventConnection(
+                    const wp<DisplayEventConnection>& connection);
+
             void        debugFlashRegions();
             void        debugShowFPS() const;
             void        drawWormhole() const;
@@ -361,6 +368,7 @@
                 GLuint                      mWormholeTexName;
                 GLuint                      mProtectedTexName;
                 nsecs_t                     mBootTime;
+                sp<EventThread>             mEventThread;
 
                 // Can only accessed from the main thread, these members
                 // don't need synchronization