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

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
index 2e0e81aaf783874576ef436d2a2eef84090e008e..600f431628037b96cfb3c5c29a823feb3e06febf 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -2431,6 +2431,23 @@ bool CSSPropertyParser::ConsumeBorder(bool important) {
   return range_.AtEnd();
 }
 
+bool CSSPropertyParser::Consume2Values(const StylePropertyShorthand& shorthand,
+                                       bool important) {
+  DCHECK_EQ(shorthand.length(), 2u);
+  const CSSPropertyID* longhands = shorthand.properties();
+  const CSSValue* start = ParseSingleValue(longhands[0], shorthand.id());
+  if (!start)
+    return false;
+
+  const CSSValue* end = ParseSingleValue(longhands[1], shorthand.id());
+  if (!end)
+    end = start;
+  AddParsedProperty(longhands[0], shorthand.id(), *start, important);
+  AddParsedProperty(longhands[1], shorthand.id(), *end, important);
+
+  return range_.AtEnd();
+}

[majidvp, 2017/07/12 21:04:21]

Most of the CSS logic is present in the other patch as well [1].
I am assuming you do not need me to review them here?

[1] https://codereview.chromium.org/2769793002/

[sunyunjia, 2017/07/19 20:44:12]

Yeah, they are no longer needed in this patch.

+
 bool CSSPropertyParser::Consume4Values(const StylePropertyShorthand& shorthand,
                                        bool important) {
   DCHECK_EQ(shorthand.length(), 4u);
@@ -3400,6 +3417,8 @@ bool CSSPropertyParser::ParseShorthand(CSSPropertyID unresolved_property,
       return ConsumePlaceItemsShorthand(important);
     case CSSPropertyPlaceSelf:
       return ConsumePlaceSelfShorthand(important);
+    case CSSPropertyScrollBoundaryBehavior:
+      return Consume2Values(scrollBoundaryBehaviorShorthand(), important);
     default:
       return false;
   }