Revert "Add a LayerScreenshot"

This reverts commit d6809f40cf61203573ec5dbc437f695cd132cc18.
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 3c8f4e5..0e642c1 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -49,7 +49,6 @@
 class FreezeLock;
 class Layer;
 class LayerDim;
-class LayerScreenshot;
 struct surface_flinger_cblk_t;
 
 #define LIKELY( exp )       (__builtin_expect( (exp) != 0, true  ))
@@ -187,15 +186,6 @@
             void                        screenReleased(DisplayID dpy);
             void                        screenAcquired(DisplayID dpy);
 
-            status_t renderScreenToTexture(DisplayID dpy,
-                    GLuint* textureName, GLfloat* uOut, GLfloat* vOut);
-
-            status_t postMessageAsync(const sp<MessageBase>& msg,
-                    nsecs_t reltime=0, uint32_t flags = 0);
-
-            status_t postMessageSync(const sp<MessageBase>& msg,
-                    nsecs_t reltime=0, uint32_t flags = 0);
-
     status_t removeLayer(const sp<LayerBase>& layer);
     status_t addLayer(const sp<LayerBase>& layer);
     status_t invalidateLayerVisibility(const sp<LayerBase>& layer);
@@ -205,18 +195,6 @@
 
     GLuint getProtectedTexName() const { return mProtectedTexName; }
 
-
-    class MessageDestroyGLTexture : public MessageBase {
-        GLuint texture;
-    public:
-        MessageDestroyGLTexture(GLuint texture) : texture(texture) { }
-        virtual bool handler() {
-            glDeleteTextures(1, &texture);
-            return true;
-        }
-    };
-
-
 private:
     // DeathRecipient interface
     virtual void binderDied(const wp<IBinder>& who);
@@ -226,6 +204,7 @@
     friend class LayerBase;
     friend class LayerBaseClient;
     friend class Layer;
+    friend class LayerDim;
 
     sp<ISurface> createSurface(
             ISurfaceComposerClient::surface_data_t* params,
@@ -243,10 +222,6 @@
             const sp<Client>& client, DisplayID display,
             uint32_t w, uint32_t h, uint32_t flags);
 
-    sp<LayerScreenshot> createScreenshotSurface(
-            const sp<Client>& client, DisplayID display,
-            uint32_t w, uint32_t h, uint32_t flags);
-
     status_t removeSurface(const sp<Client>& client, SurfaceID sid);
     status_t destroySurface(const wp<LayerBaseClient>& layer);
     uint32_t setClientStateLocked(const sp<Client>& client, const layer_state_t& s);
@@ -354,6 +329,12 @@
 
     mutable     MessageQueue    mEventQueue;
 
+    status_t postMessageAsync(const sp<MessageBase>& msg,
+            nsecs_t reltime=0, uint32_t flags = 0);
+
+    status_t postMessageSync(const sp<MessageBase>& msg,
+            nsecs_t reltime=0, uint32_t flags = 0);
+
                 // access must be protected by mStateLock
     mutable     Mutex                   mStateLock;
                 State                   mCurrentState;