Use scroll-boundary-behavior to control overscroll-refresh/glow on android.

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp

Index: third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
diff --git a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
index cd022b7aee4927c4878359ecf181316282ef03cd..a466db19750a5540446f31756073d447b7b471c0 100644
--- a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
+++ b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
@@ -3658,6 +3658,14 @@ const CSSValue* ComputedStyleCSSValueMapping::Get(
     case CSSPropertyScrollSnapDestination:
       return ValueForScrollSnapDestination(style.ScrollSnapDestination(),
                                            style);
+    case CSSPropertyScrollBoundaryBehavior:
+      if (style.ScrollBoundaryBehaviorX() == style.ScrollBoundaryBehaviorY())
+        return CSSIdentifierValue::Create(style.ScrollBoundaryBehaviorX());
+      return nullptr;
+    case CSSPropertyScrollBoundaryBehaviorX:
+      return CSSIdentifierValue::Create(style.ScrollBoundaryBehaviorX());
+    case CSSPropertyScrollBoundaryBehaviorY:
+      return CSSIdentifierValue::Create(style.ScrollBoundaryBehaviorY());
     case CSSPropertyTranslate: {
       if (!style.Translate())
         return CSSIdentifierValue::Create(CSSValueNone);