Use text size on Mac.

src/core/SkScalerContext.cpp

Index: src/core/SkScalerContext.cpp
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp
index 20413a7dd7f292cab3406cc7aa7e4a0e1025520f..b7409ffe9ecbf1e7aace9bcf86ff16d011d7a4ec 100644
--- a/src/core/SkScalerContext.cpp
+++ b/src/core/SkScalerContext.cpp
@@ -700,6 +700,10 @@ void SkScalerContextRec::getLocalMatrix(SkMatrix* m) const {
     SkPaint::SetTextMatrix(m, fTextSize, fPreScaleX, fPreSkewX);
 }
 
+void SkScalerContextRec::getLocalMatrixWithoutTextSize(SkMatrix* m) const {
+    SkPaint::SetTextMatrix(m, SK_Scalar1, fPreScaleX, fPreSkewX);
+}
+
 void SkScalerContextRec::getSingleMatrix(SkMatrix* m) const {
     this->getLocalMatrix(m);
 
@@ -709,6 +713,15 @@ void SkScalerContextRec::getSingleMatrix(SkMatrix* m) const {
     m->postConcat(deviceMatrix);
 }
 
+void SkScalerContextRec::getSingleMatrixWithoutTextSize(SkMatrix* m) const {
+    this->getLocalMatrixWithoutTextSize(m);
+
+    //  now concat the device matrix
+    SkMatrix    deviceMatrix;
+    this->getMatrixFrom2x2(&deviceMatrix);
+    m->postConcat(deviceMatrix);
+}
+
 SkAxisAlignment SkComputeAxisAlignmentForHText(const SkMatrix& matrix) {
     SkASSERT(!matrix.hasPerspective());