Add CSS support for text-decoration-skip

third_party/WebKit/Source/core/style/ComputedStyleConstants.h

Index: third_party/WebKit/Source/core/style/ComputedStyleConstants.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
index 2ddb80fae9f6a40f71d30510116d6827e75ad9a0..2e0b83e810fdafcc4d0dd706a091a814d780d949 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
@@ -374,6 +374,22 @@ enum TextDecorationStyle {
   TextDecorationStyleWavy
 };
 
+static const size_t TextDecorationSkipBits = 3;
+enum TextDecorationSkip {
+  TextDecorationSkipNone = 0x0,
+  TextDecorationSkipObjects = 0x1,
+  TextDecorationSkipInk = 0x2
+};
+inline TextDecorationSkip operator|(TextDecorationSkip a,
+                                    TextDecorationSkip b) {
+  return TextDecorationSkip(static_cast<unsigned>(a) |
+                            static_cast<unsigned>(b));
+}
+inline TextDecorationSkip& operator|=(TextDecorationSkip& a,
+                                      TextDecorationSkip b) {
+  return a = a | b;
+}
+
 enum TextAlignLast {
   TextAlignLastAuto,
   TextAlignLastStart,