make tests portable by using 565 compatible colors

gm/repeated_bitmap.cpp

 /*
  * Copyright 2015 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 "sk_tool_utils.h"
 #include "Resources.h"
 
 DEF_SIMPLE_GM(repeated_bitmap, canvas, 576, 576) {
-    sk_tool_utils::draw_checkerboard(canvas, 0xFF999999, SK_ColorWHITE, 12);
+    sk_tool_utils::draw_checkerboard(canvas, sk_tool_utils::color_to_565(0xFF999999),
+            SK_ColorWHITE, 12);
     SkRect rect = SkRect::MakeLTRB(-4.25f, -4.25f, 4.25f, 4.25f);
     SkPaint paint;
     paint.setColor(0xFF333333);
     SkBitmap bm;
     if (GetResourceAsBitmap("randPixels.png", &bm)) {
         for (int j = 0; j < 4; ++j) {
             for (int i = 0; i < 4; ++i) {
                 SkAutoCanvasRestore autoCanvasRestore(canvas, true);
                 canvas->scale(12.0f, 12.0f);
                 canvas->translate(6.0f + 12.0f * SkIntToScalar(i),
                                   6.0f + 12.0f * SkIntToScalar(j));
                 canvas->rotate(18.0f * (i + 4 * j));
                 canvas->drawRect(rect, paint);
                 canvas->drawBitmap(bm, -4.0f, -4.0f);
             }
         }
     }
 }
 
 DEF_SIMPLE_GM(repeated_bitmap_jpg, canvas, 576, 576) {
-    sk_tool_utils::draw_checkerboard(canvas, 0xFF999999, SK_ColorWHITE, 12);
+    sk_tool_utils::draw_checkerboard(canvas, sk_tool_utils::color_to_565(0xFF999999),
+            SK_ColorWHITE, 12);
     SkRect rect = SkRect::MakeLTRB(-68.0f, -68.0f, 68.0f, 68.0f);
     SkPaint paint;
     paint.setColor(0xFF333333);
     SkBitmap bm;
     if (GetResourceAsBitmap("color_wheel.jpg", &bm)) {
         for (int j = 0; j < 4; ++j) {
             for (int i = 0; i < 4; ++i) {
                 SkAutoCanvasRestore autoCanvasRestore(canvas, true);
                 canvas->translate(96.0f + 192.0f * SkIntToScalar(i),
                                   96.0f + 192.0f * SkIntToScalar(j));
                 canvas->rotate(18.0f * (i + 4 * j));
                 canvas->drawRect(rect, paint);
                 canvas->drawBitmap(bm, -64.0f, -64.0f);
             }
         }
     }
 }