Optimize CSS box-shadow performance

src/core/SkScalerContext.cpp

Index: src/core/SkScalerContext.cpp
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp
index 4d7f3629eb060f7763916be9ba910b902e1ff9be..77b1258a6e92b4cda4b7bbafd9778239fe429f93 100644
--- a/src/core/SkScalerContext.cpp
+++ b/src/core/SkScalerContext.cpp
@@ -210,7 +210,7 @@ void SkScalerContext::getMetrics(SkGlyph* glyph) {
         fRec.getMatrixFrom2x2(&matrix);
 
         src.fImage = NULL;  // only want the bounds from the filter
-        if (fMaskFilter->filterMask(&dst, src, matrix, NULL)) {
+        if (fMaskFilter->filterMask(&dst, src, matrix, NULL, NULL)) {
             if (dst.fBounds.isEmpty() || !dst.fBounds.is16Bit()) {
                 goto SK_ERROR;
             }
@@ -589,7 +589,7 @@ void SkScalerContext::getImage(const SkGlyph& origGlyph) {
 
         fRec.getMatrixFrom2x2(&matrix);
 
-        if (fMaskFilter->filterMask(&dstM, srcM, matrix, NULL)) {
+        if (fMaskFilter->filterMask(&dstM, srcM, matrix, NULL, NULL)) {
             int width = SkFastMin32(origGlyph.fWidth, dstM.fBounds.width());
             int height = SkFastMin32(origGlyph.fHeight, dstM.fBounds.height());
             int dstRB = origGlyph.rowBytes();