Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

include/core/SkPathEffect.h

Index: include/core/SkPathEffect.h
diff --git a/include/core/SkPathEffect.h b/include/core/SkPathEffect.h
index 2a6e3a9c221ff90eccd5885330cf2ce29db1cbd5..454614a262ea901de7b97a486bac384f07711b0a 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -135,6 +135,9 @@
 
 protected:
     SkPathEffect() {}
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+    SkPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {}
+#endif
 
 private:
     // illegal
@@ -156,6 +159,9 @@
 
 protected:
     SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1);
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+    SkPairPathEffect(SkReadBuffer&);
+#endif
 
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
@@ -191,6 +197,10 @@
     SkComposePathEffect(SkPathEffect* outer, SkPathEffect* inner)
         : INHERITED(outer, inner) {}
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+    explicit SkComposePathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {}
+#endif
+
 private:
     // illegal
     SkComposePathEffect(const SkComposePathEffect&);
@@ -224,6 +234,10 @@
     SkSumPathEffect(SkPathEffect* first, SkPathEffect* second)
         : INHERITED(first, second) {}
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+    explicit SkSumPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {}
+#endif
+
 private:
     // illegal
     SkSumPathEffect(const SkSumPathEffect&);