Generate getters/setters for (/min/max)(width/height).

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 f1af4348865cc8a7344fb450e76a12ad88d0da44..946aed8875e14fbc044837910b1326e517ff0e89 100644
--- a/third_party/WebKit/Source/core/css/CSSProperties.json5
+++ b/third_party/WebKit/Source/core/css/CSSProperties.json5
@@ -1222,7 +1222,7 @@
       keywords: ["auto", "fit-content", "min-content", "max-content"],
       supports_percentage: true,
       typedom_types: ["Length"],
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length()",
@@ -1433,7 +1433,7 @@
       converter: "ConvertLengthMaxSizing",
       is_descriptor: true,
       interpolable: true,
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length(kMaxSizeNone)",
@@ -1443,7 +1443,7 @@
       converter: "ConvertLengthMaxSizing",
       is_descriptor: true,
       interpolable: true,
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length(kMaxSizeNone)",
@@ -1454,7 +1454,7 @@
       converter: "ConvertLengthSizing",
       is_descriptor: true,
       interpolable: true,
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length()",
@@ -1465,7 +1465,7 @@
       converter: "ConvertLengthSizing",
       is_descriptor: true,
       interpolable: true,
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length()",
@@ -2516,7 +2516,7 @@
       keywords: ["auto", "fit-content", "min-content", "max-content"],
       supports_percentage: true,
       typedom_types: ["Length"],
-      field_template: "storage_only",
+      field_template: "external",
       field_type_path: "platform/Length",
       field_group: "box",
       default_value: "Length()"