Move border-*-width out of BorderValue and store on SurroundData in ComputedStyle instead

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

Index: third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
diff --git a/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5 b/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
index 68e408ab850c5e71eee2c9f48d15d5d91d259541..4607e091a26280acee6d8ebc4a10eec9653651e4 100644
--- a/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
+++ b/third_party/WebKit/Source/core/css/ComputedStyleExtraFields.json5
@@ -3,14 +3,6 @@
 // generate, but are not CSS properties.
 
   parameters: {
-    // - field_size
-    // Number of bits needed to store this field. Only used for storage_only
-    // fields. If specified, the field will be stored as bit field. Otherwise
-    // it will be stored as a normal data member.
-    field_size: {
-      valid_type: "int",
-    },
-
     // If the field has_custom_compare_and_copy, then it does not appear in
     // ComputedStyle::operator== and ComputedStyle::CopyNonInheritedFromCached.
     has_custom_compare_and_copy: {