Add a fast-path for independent inherited properties

third_party/WebKit/Source/build/scripts/css_properties.py

Index: third_party/WebKit/Source/build/scripts/css_properties.py
diff --git a/third_party/WebKit/Source/build/scripts/css_properties.py b/third_party/WebKit/Source/build/scripts/css_properties.py
index d4b7977bc3a0136beb8d8e02fc92492ceacd65e8..b105d86ac4c2ed2f8d6792037da84d97821f9a8f 100755
--- a/third_party/WebKit/Source/build/scripts/css_properties.py
+++ b/third_party/WebKit/Source/build/scripts/css_properties.py
@@ -15,12 +15,14 @@ class CSSProperties(in_generator.Writer):
         'longhands': '',
         'interpolable': False,
         'inherited': False,
+        'independent': False,
         'font': False,
         'svg': False,
         'name_for_methods': None,
         'use_handlers_for': None,
         'getter': None,
         'setter': None,
+        'isInheritedSetter': None,

[Timothy Loh, 2016/07/19 01:29:31]

Doesn't need to be here if it isn't set from the .in file, also casing is
inconsistent with everything else

[sashab, 2016/07/19 03:31:34]

Removed.

[esprehn, 2016/07/19 03:46:26]

I think you want is_inherited_setter, but timloh@ seems to be saying you don't
need it?

         'initial': None,
         'type_name': None,
         'converter': None,
@@ -40,6 +42,7 @@ class CSSProperties(in_generator.Writer):
     valid_values = {
         'interpolable': (True, False),
         'inherited': (True, False),
+        'independent': (True, False),
         'font': (True, False),
         'svg': (True, False),
         'custom_all': (True, False),