Move GrIPoint16 to SkIPoint16 (and remove GrPoint.h)

src/gpu/GrTextContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTextContext_DEFINED
 #define GrTextContext_DEFINED
 
-#include "GrPoint.h"
 #include "GrGlyph.h"
 #include "GrPaint.h"
 #include "SkDeviceProperties.h"
 
 #include "SkPostConfig.h"
 
 class GrContext;
 class GrDrawTarget;
 class GrFontScaler;
 
@@ skipping 25 matching lines @@
     GrContext*         fContext;
     SkDeviceProperties fDeviceProperties;
 
     GrDrawTarget*      fDrawTarget;
     SkIRect            fClipRect;
     GrPaint            fPaint;
     SkPaint            fSkPaint;
 };
 
 #endif