Revert of 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 2e004d2b917a2a2dbf2ad7cc2794078e2003c209..73271fe786b04e387c9f1bf8dfe97a075666dd89 100644
--- a/third_party/WebKit/Source/core/css/CSSProperties.json5
+++ b/third_party/WebKit/Source/core/css/CSSProperties.json5
@@ -1170,14 +1170,6 @@
       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"],
@@ -1625,6 +1617,14 @@
       custom_all: true,
     },
     {
+      name: "snap-height",
+      api_class: true,
+      api_methods: ["parseSingleValue"],
+      custom_all: true,
+      inherited: true,
+      runtime_flag: "CSSSnapSize",
+    },
+    {
       name: "speak",
       inherited: true,
     },