Add missing SkIntToScalars.

dm/DMTileGridTask.cpp

 #include "DMTileGridTask.h"
 #include "DMWriteTask.h"
 #include "DMUtil.h"
 
 #include "SkCommandLineFlags.h"
 #include "SkPicture.h"
 #include "SkTileGridPicture.h"
 
 // TODO(mtklein): Tile grid tests are currently failing.  (Skia issue 1198).  When fixed, -> true.
 DEFINE_bool(tileGrid, false, "If true, run picture replay tests with a tile grid.");
@@ skipping 31 matching lines @@
     tile.allocPixels();
     SkCanvas tileCanvas(tile);
 
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kSrc_Mode);
 
     for (int y = 0; y < tiles_needed(full.height(), tile.height()); y++) {
         for (int x = 0; x < tiles_needed(full.width(), tile.width()); x++) {
             SkAutoCanvasRestore ar(&tileCanvas, true/*also save now*/);
 
-            const SkScalar xOffset = x * tile.width(),
-                           yOffset = y * tile.height();
+            const SkScalar xOffset = SkIntToScalar(x * tile.width()),
+                           yOffset = SkIntToScalar(y * tile.height());
             SkMatrix matrix = tileCanvas.getTotalMatrix();
             matrix.postTranslate(-xOffset, -yOffset);
             tileCanvas.setMatrix(matrix);
 
             recorded.draw(&tileCanvas);
             tileCanvas.flush();
             fullCanvas.drawBitmap(tile, xOffset, yOffset, &paint);
         }
     }
 
     if (!BitmapsEqual(full, fReference)) {
         this->fail();
         this->spawnChild(SkNEW_ARGS(WriteTask, (*this, full)));
     }
 }
 
 bool TileGridTask::shouldSkip() const {
     if (fGM->getFlags() & skiagm::GM::kSkipPicture_Flag) {
         return true;
     }
     return !FLAGS_tileGrid;
 }
 
 }  // namespace DM