Implement CSS: scroll-boundary-behavior

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 606c4c2a5815f5f900f1a3fa3457451e82a354ad..b0997af3f155e143223998221bafe41067570d9f 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyleConstants.h
@@ -530,6 +530,12 @@ enum ScrollSnapType {
 
 enum AutoRepeatType { NoAutoRepeat, AutoFill, AutoFit };
 
+enum ScrollBoundaryBehavior {

[bokan, 2017/03/23 13:18:26]

You should add checks in Source/web/AssertMatchingEnums.cpp to assert that the
values of each enum in CC match the values of this Blink side enum.

[sunyunjia, 2017/03/23 20:16:55]

Done.

+  ScrollBoundaryBehaviorPropagate,
+  ScrollBoundaryBehaviorContain,
+  ScrollBoundaryBehaviorNone
+};
+
 }  // namespace blink
 
 #endif  // ComputedStyleConstants_h