Re-land Catch up the spec update in CSS Rhythmic Sizing

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

Index: third_party/WebKit/Source/core/css/CSSProperties.json5
diff --git a/third_party/WebKit/Source/core/css/CSSProperties.json5 b/third_party/WebKit/Source/core/css/CSSProperties.json5
index d7cbdf534e3719deeb03bca63b70674bc6f5b83d..b757ad5eb6366663f90baa79601a617cbf2e3691 100644
--- a/third_party/WebKit/Source/core/css/CSSProperties.json5
+++ b/third_party/WebKit/Source/core/css/CSSProperties.json5
@@ -1170,6 +1170,14 @@
       interpolable: true,
     },
     {
+      name: "line-height-step",
+      api_class: true,
+      api_methods: ["parseSingleValue"],
+      converter: "convertComputedLength<uint8_t>",
+      inherited: true,
+      runtime_flag: "CSSSnapSize",
+    },
+    {
       name: "list-style-image",
       api_class: "CSSPropertyAPIImage",
       api_methods: ["parseSingleValue"],
@@ -1617,14 +1625,6 @@
       custom_all: true,
     },
     {
-      name: "snap-height",
-      api_class: true,
-      api_methods: ["parseSingleValue"],
-      custom_all: true,
-      inherited: true,
-      runtime_flag: "CSSSnapSize",
-    },
-    {
       name: "speak",
       inherited: true,
     },