make pixelsnap textblob* etc gm portable

gm/textbloblooper.cpp

 /*
  * Copyright 2013 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 "Sk2DPathEffect.h"
@@ skipping 130 matching lines @@
     void onOnceBeforeDraw() override {
         SkTextBlobBuilder builder;
 
         // LCD
         SkPaint paint;
         paint.setTextSize(32);
         const char* text = "The quick brown fox jumps over the lazy dog";
         paint.setSubpixelText(true);
         paint.setLCDRenderText(true);
         paint.setAntiAlias(true);
+        sk_tool_utils::set_portable_typeface(&paint);
         add_to_text_blob(&builder, text, paint, 0, 0);
         fBlob.reset(builder.build());
 
         // create a looper which sandwhiches an effect in two normal draws
         LooperSettings looperSandwhich[] = {
            { SkXfermode::kSrc_Mode, SK_ColorMAGENTA, SkPaint::kFill_Style, 0, 0, 0, false },
            { SkXfermode::kSrcOver_Mode, 0x88000000, SkPaint::kFill_Style, 0, 10.f, 0, true },
            { SkXfermode::kSrcOver_Mode, 0x50FF00FF, SkPaint::kFill_Style, 0, 20.f, 0, false },
         };
 
@@ skipping 57 matching lines @@
     SkString onShortName() override {
         return SkString("textbloblooper");
     }
 
     SkISize onISize() override {
         return SkISize::Make(kWidth, kHeight);
     }
 
     void onDraw(SkCanvas* canvas) override {
 
-        canvas->drawColor(SK_ColorGRAY);
+        canvas->drawColor(sk_tool_utils::color_to_565(SK_ColorGRAY));
 
         SkPaint paint;
         canvas->translate(10, 40);
 
         paint.setTextSize(40);
 
         SkRect bounds = fBlob->bounds();
 
         int y = 0;
         for (int looper = 0; looper < fLoopers.count(); looper++) {
@@ skipping 10 matching lines @@
     SkAutoTUnref<const SkTextBlob> fBlob;
     SkTArray<SkAutoTUnref<SkLayerDrawLooper>, true> fLoopers;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(TextBlobLooperGM); )
 }