make pixelsnap textblob* etc gm portable

gm/strokerect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPath.h"
 
 #define STROKE_WIDTH    SkIntToScalar(20)
 
 static void draw_path(SkCanvas* canvas, const SkPath& path, const SkRect& rect,
                       SkPaint::Join join, int doFill) {
     SkPaint paint;
     paint.setAntiAlias(true);
     paint.setStyle(doFill ? SkPaint::kStrokeAndFill_Style : SkPaint::kStroke_Style);
 
-    paint.setColor(SK_ColorGRAY);
+    paint.setColor(sk_tool_utils::color_to_565(SK_ColorGRAY));
     paint.setStrokeWidth(STROKE_WIDTH);
     paint.setStrokeJoin(join);
     canvas->drawRect(rect, paint);
 
     paint.setStyle(SkPaint::kStroke_Style);
     paint.setStrokeWidth(0);
     paint.setColor(SK_ColorRED);
     canvas->drawPath(path, paint);
 
     paint.setStrokeWidth(3);
@@ skipping 73 matching lines @@
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new StrokeRectGM;)