Fix padding bug in SkTileImageFilter.

src/effects/SkTileImageFilter.cpp

Index: src/effects/SkTileImageFilter.cpp
diff --git a/src/effects/SkTileImageFilter.cpp b/src/effects/SkTileImageFilter.cpp
index e6b561dec4d17b7470d9916a5da77af667a97518..97f36b206297ca99f4c30d9b709f2bab0f980364 100644
--- a/src/effects/SkTileImageFilter.cpp
+++ b/src/effects/SkTileImageFilter.cpp
@@ -82,8 +82,8 @@ bool SkTileImageFilter::onFilterImageDeprecated(Proxy* proxy, const SkBitmap& sr
             return false;
         }
         SkCanvas canvas(device);
-        canvas.drawBitmap(src, SkIntToScalar(srcOffset.x()),
-                               SkIntToScalar(srcOffset.y()));
+        canvas.drawBitmap(source, SkIntToScalar(srcOffset.x()),
+                                  SkIntToScalar(srcOffset.y()));
         subset = device->accessBitmap(false);
     }
     SkASSERT(subset.width() == srcIRect.width());