Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/Sk2DPathEffect.cpp

Index: src/effects/Sk2DPathEffect.cpp
diff --git a/src/effects/Sk2DPathEffect.cpp b/src/effects/Sk2DPathEffect.cpp
index 2ad202ae85d772acb875e1c9e579b6ebe26a8f18..cef2266d50b8cfb61f3b9652a7d7f29c44e6a329 100644
--- a/src/effects/Sk2DPathEffect.cpp
+++ b/src/effects/Sk2DPathEffect.cpp
@@ -73,6 +73,13 @@
     buffer.writeMatrix(fMatrix);
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+Sk2DPathEffect::Sk2DPathEffect(SkReadBuffer& buffer) {
+    buffer.readMatrix(&fMatrix);
+    fMatrixIsInvertible = fMatrix.invert(&fInverse);
+}
+#endif
+
 ///////////////////////////////////////////////////////////////////////////////
 
 bool SkLine2DPathEffect::filterPath(SkPath* dst, const SkPath& src,
@@ -97,6 +104,12 @@
     }
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkLine2DPathEffect::SkLine2DPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
+    fWidth = buffer.readScalar();
+}
+#endif
+
 SkFlattenable* SkLine2DPathEffect::CreateProc(SkReadBuffer& buffer) {
     SkMatrix matrix;
     buffer.readMatrix(&matrix);
@@ -115,6 +128,12 @@
     : INHERITED(m), fPath(p) {
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkPath2DPathEffect::SkPath2DPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
+    buffer.readPath(&fPath);
+}
+#endif
+
 SkFlattenable* SkPath2DPathEffect::CreateProc(SkReadBuffer& buffer) {
     SkMatrix matrix;
     buffer.readMatrix(&matrix);