clean-up. get rid ofunused code and members in Surface[Control].cpp

Change-Id: Ia7790ae28af2c2ac99eae01c2c5044ace4a490a4
diff --git a/include/gui/ISurfaceTexture.h b/include/gui/ISurfaceTexture.h
index e764425..bc630ae 100644
--- a/include/gui/ISurfaceTexture.h
+++ b/include/gui/ISurfaceTexture.h
@@ -79,8 +79,8 @@
     // must be monotonically increasing. Its other properties (zero point, etc)
     // are client-dependent, and should be documented by the client.
     //
-    // outWidth, outHeight and outTransform are filed with the default width
-    // default height of the window and current transform applied to buffers,
+    // outWidth, outHeight and outTransform are filled with the default width
+    // and height of the window and current transform applied to buffers,
     // respectively.
     virtual status_t queueBuffer(int slot, int64_t timestamp,
             uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) = 0;