Move GrIPoint16 to SkIPoint16 (and remove GrPoint.h)

include/core/SkPoint.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPoint_DEFINED
 #define SkPoint_DEFINED
 
 #include "SkMath.h"
 #include "SkScalar.h"
 
+/** \struct SkIPoint16
+
+    SkIPoint holds two 16 bit integer coordinates
+*/
+struct SkIPoint16 {
+    int16_t fX, fY;
+
+    static SkIPoint16 Make(int x, int y) {
+        SkIPoint16 pt;
+        pt.set(x, y);
+        return pt;
+    }
+
+    int16_t x() const { return fX; }
+    int16_t y() const { return fY; }
+
+    void set(int x, int y) {
+        fX = SkToS16(x);
+        fY = SkToS16(y);
+    }
+};
+
 /** \struct SkIPoint
 
     SkIPoint holds two 32 bit integer coordinates
 */
 struct SkIPoint {
     int32_t fX, fY;
 
     static SkIPoint Make(int32_t x, int32_t y) {
         SkIPoint pt;
         pt.set(x, y);
@@ skipping 478 matching lines @@
 
     /**
      *  cast-safe way to treat the point as an array of (2) SkScalars.
      */
     const SkScalar* asScalars() const { return &fX; }
 };
 
 typedef SkPoint SkVector;
 
 #endif