Fix SkPaint::measureText for stroked hairline text

src/core/SkPaint.cpp

Index: src/core/SkPaint.cpp
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 16d8bb2e4ed79e628752e5937d804dd4c20b3d55..86b54f22c86531917a616b55e4379eaa7af77f4e 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -11,6 +11,7 @@
 #include "SkColorFilter.h"
 #include "SkData.h"
 #include "SkDeviceProperties.h"
+#include "SkDraw.h"
 #include "SkFontDescriptor.h"
 #include "SkFontHost.h"
 #include "SkGlyphCache.h"
@@ -506,15 +507,6 @@ bool SkPaint::TooBigToUseCache(const SkMatrix& ctm, const SkMatrix& textM) {
     return tooBig(matrix, MaxCacheSize2());
 }
 
-bool SkPaint::tooBigToUseCache(const SkMatrix& ctm) const {
-    SkMatrix textM;
-    return TooBigToUseCache(ctm, *this->setTextMatrix(&textM));
-}
-
-bool SkPaint::tooBigToUseCache() const {
-    SkMatrix textM;
-    return tooBig(*this->setTextMatrix(&textM), MaxCacheSize2());
-}
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -997,7 +989,7 @@ SkScalar SkPaint::setupForAsPaths() {
 class SkCanonicalizePaint {
 public:
     SkCanonicalizePaint(const SkPaint& paint) : fPaint(&paint), fScale(0) {
-        if (paint.isLinearText() || paint.tooBigToUseCache()) {
+        if (paint.isLinearText() || SkDraw::ShouldDrawTextAsPaths(paint, SkMatrix::I())) {
             SkPaint* p = fLazy.set(paint);
             fScale = p->setupForAsPaths();
             fPaint = p;