Change signature of SkSpecialImage::draw to take SkScalars

tests/SpecialImageTest.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file
  */
 
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkImage.h"
@@ skipping 70 matching lines @@
     }
 
     //--------------
     SkImageInfo info = SkImageInfo::MakeN32(kFullSize, kFullSize, kOpaque_SkAlphaType);
 
     SkAutoTUnref<SkSpecialSurface> surf(img->newSurface(info));
 
     SkCanvas* canvas = surf->getCanvas();
 
     canvas->clear(SK_ColorBLUE);
-    img->draw(canvas, kPad, kPad, nullptr);
+    img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr);
 
     SkBitmap bm;
     bm.allocN32Pixels(kFullSize, kFullSize, true);
 
     bool result = canvas->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), 0, 0);
     SkASSERT_RELEASE(result);
 
     // Only the center (red) portion should've been drawn into the canvas
     REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kPad-1, kPad-1));
     REPORTER_ASSERT(reporter, SK_ColorRED  == bm.getColor(kPad, kPad));
@@ skipping 39 matching lines @@
         return;
     }
 
     const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
 
     SkAutoTUnref<SkSpecialImage> img(SkSpecialImage::NewFromGpu(subset, texture));
     test_image(img, reporter, false, true);
 }
 
 #endif