Update the snap points css properties

third_party/WebKit/Source/core/css/CSSProperties.json5

 {
 // This file specifies all the CSS properties we support and the necessary
 // information for our code generation. The various supported arguments
 // are described below with example usage
 
   parameters: {
     // - alias_for: "other-property"
     // Properties specifying alias_for should be virtually identical to the
     // properties they alias. Minor parsing differences are allowed as long as
     // the CSSValues created are of the same format of the aliased property.
@@ skipping 1831 matching lines @@
       interpolable: true,
       svg: true,
     },
     {
       name: "scroll-behavior",
       runtime_flag: "CSSOMSmoothScroll",
       type_name: "ScrollBehavior",
     },
     {
       name: "scroll-snap-type",
-      runtime_flag: "CSSScrollSnapPoints",
-      type_name: "ScrollSnapType",
-    },
-    {
-      name: "scroll-snap-points-x",
-      converter: "ConvertSnapPoints",
-      runtime_flag: "CSSScrollSnapPoints",
-    },
-    {
-      name: "scroll-snap-points-y",
-      converter: "ConvertSnapPoints",
-      runtime_flag: "CSSScrollSnapPoints",
-    },
-    {
-      name: "scroll-snap-destination",
-      converter: "ConvertPosition",
-      runtime_flag: "CSSScrollSnapPoints",
-    },
-    {
-      name: "scroll-snap-coordinate",
       api_class: true,
       api_methods: ["parseSingleValue"],
-      converter: "ConvertSnapCoordinates",
-      runtime_flag: "CSSScrollSnapPoints",
-    },
-    {
+      converter: "ConvertSnapType",
+      getter: "GetScrollSnapType",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-align",
+      api_class: true,
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertSnapAlign",
+      getter: "GetScrollSnapAlign",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-stop",
+      default_value: "normal",
+      field_template: "keyword",

[shend, 2017/06/14 01:37:38]

When you add this line, I believe that the enum mappings in
CSSPrimitiveValueMappings.h for this enum gets automatically generated. So you
can delete those lines (marked as (*) in separate comment).

[sunyunjia, 2017/06/14 18:36:21]

Acknowledged.

+      keywords: ["normal", "always"],
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-top",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-bottom",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-left",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-right",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-block-start",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      direction_aware: true,
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-block-end",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      direction_aware: true,
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-inline-start",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      direction_aware: true,
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-inline-end",
+      api_class: "CSSPropertyAPIScrollPadding",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollPadding",
+      include_paths: ["platform/Length.h"],
+      typedom_types: ["Length", "Percent"],
+      type_name: "Length",
+      direction_aware: true,
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-top",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-bottom",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-left",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-right",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-block-start",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      direction_aware: true,
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-block-end",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      direction_aware: true,
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-inline-start",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      direction_aware: true,
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-inline-end",
+      api_class: "CSSPropertyAPIScrollSnapMargin",
+      api_methods: ["parseSingleValue"],
+      converter: "ConvertLength",
+      initial: "InitialScrollSnapMargin",
+      direction_aware: true,
+      include_paths: ["platform/Length.h"],
+      type_name: "Length",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
       name: "shape-image-threshold",
       api_class: true,
       api_methods: ["parseSingleValue"],
       interpolable: true,
       type_name: "float",
     },
     {
       name: "shape-margin",
       api_class: true,
       api_methods: ["parseSingleValue"],
@@ skipping 1318 matching lines @@
     },
     {
       name: "page-break-before",
       longhands: "break-before",
     },
     {
       name: "page-break-inside",
       longhands: "break-inside",
     },
     {
+      name: "scroll-padding",
+      longhands: "scroll-padding-top;scroll-padding-right;scroll-padding-bottom;scroll-padding-left",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-block",
+      longhands: "scroll-padding-block-start;scroll-padding-block-end",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-padding-inline",
+      longhands: "scroll-padding-inline-start;scroll-padding-inline-end",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin",
+      longhands: "scroll-snap-margin-top;scroll-snap-margin-right;scroll-snap-margin-bottom;scroll-snap-margin-left",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-block",
+      longhands: "scroll-snap-margin-block-start;scroll-snap-margin-block-end",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
+      name: "scroll-snap-margin-inline",
+      longhands: "scroll-snap-margin-inline-start;scroll-snap-margin-inline-end",
+      runtime_flag: "CSSScrollSnapPoints",
+    },
+    {
       name: "transition",
       longhands: "transition-property;transition-duration;transition-timing-function;transition-delay",
     },
     {
       name: "-webkit-border-after",
       longhands: "-webkit-border-after-width;-webkit-border-after-style;-webkit-border-after-color",
     },
     {
       name: "-webkit-border-before",
       longhands: "-webkit-border-before-width;-webkit-border-before-style;-webkit-border-before-color",
@@ skipping 327 matching lines @@
     {
       name: "-webkit-transition-timing-function",
       alias_for: "transition-timing-function",
     },
     {
       name: "-webkit-user-select",
       alias_for: "user-select",
     },
   ],
 }