Disable LCD text when rasterizing SkPictureShader tiles.

src/core/SkPictureShader.cpp

Index: src/core/SkPictureShader.cpp
diff --git a/src/core/SkPictureShader.cpp b/src/core/SkPictureShader.cpp
index 36b55cae6666053357ac73dd0d6f0c85727476d8..4b92ecf8e2be13c1254c209e66ac8f5f9979319b 100644
--- a/src/core/SkPictureShader.cpp
+++ b/src/core/SkPictureShader.cpp
@@ -194,7 +194,9 @@ SkShader* SkPictureShader::refBitmapShader(const SkMatrix& matrix, const SkMatri
         }
         bm.eraseColor(SK_ColorTRANSPARENT);
 
-        SkCanvas canvas(bm);
+        SkSurfaceProps props(0, kUnknown_SkPixelGeometry);

[reed1, 2015/01/30 20:18:26]

// We pass kUnknown to deliberately disable LCD text, since we can't assume our
image will be opaque

[f(malita), 2015/02/01 03:46:29]

Done.

+        SkCanvas canvas(bm, &props);
+
         canvas.scale(tileScale.width(), tileScale.height());
         canvas.translate(-fTile.x(), -fTile.y());
         canvas.drawPicture(fPicture);