diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f0a167b..f85a22b 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -141,6 +141,7 @@
         int                     getHeight() const;
 
         const DisplayHardware&  displayHardware() const;
+        DisplayHardware&        editDisplayHardware();
         const Transform&        transform() const;
         EGLDisplay              getEGLDisplay() const;
         
@@ -200,6 +201,7 @@
                                                       PixelFormat* format,
                                                       uint32_t reqWidth,
                                                       uint32_t reqHeight);
+    virtual status_t                    turnElectronBeamOff(int32_t mode);
 
             void                        screenReleased(DisplayID dpy);
             void                        screenAcquired(DisplayID dpy);
@@ -325,6 +327,8 @@
                     uint32_t* width, uint32_t* height, PixelFormat* format,
                     uint32_t reqWidth = 0, uint32_t reqHeight = 0);
 
+            status_t turnElectronBeamOffImplLocked();
+
             friend class FreezeLock;
             sp<FreezeLock> getFreezeLock() const;
             inline void incFreezeCount() {