Change device factories to take SkImageInfo instead of SkBitmap::Config

dm/DMTileGridTask.cpp

Index: dm/DMTileGridTask.cpp
diff --git a/dm/DMTileGridTask.cpp b/dm/DMTileGridTask.cpp
index cd3c7b79bec9de6beb7d5754a8cf1ce4b2e6037e..beffbb0371d40192622a2a1498b26543d2171b73 100644
--- a/dm/DMTileGridTask.cpp
+++ b/dm/DMTileGridTask.cpp
@@ -34,12 +34,12 @@ void TileGridTask::draw() {
     RecordPicture(fGM.get(), &recorded, SkPicture::kUsePathBoundsForClip_RecordingFlag);
 
     SkBitmap full;
-    SetupBitmap(fReference.config(), fGM.get(), &full);
+    SetupBitmap(fReference.colorType(), fGM.get(), &full);
     SkCanvas fullCanvas(full);
 
     SkBitmap tile;
-    tile.setConfig(fReference.config(), fTileSize.width(), fTileSize.height());
-    tile.allocPixels();
+    tile.allocPixels(SkImageInfo::Make(fTileSize.width(), fTileSize.height(),
+                                       fReference.colorType(), kPremul_SkAlphaType));
     SkCanvas tileCanvas(tile);
 
     SkPaint paint;