Generate CSSPropertyEquality instead of using hand-updated file.

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

Index: third_party/WebKit/Source/build/scripts/make_css_property_equality.py
diff --git a/third_party/WebKit/Source/build/scripts/make_css_property_equality.py b/third_party/WebKit/Source/build/scripts/make_css_property_equality.py
new file mode 100755
index 0000000000000000000000000000000000000000..bfef448a098baa3c2cf57360637b7eec55f5eb77
--- /dev/null
+++ b/third_party/WebKit/Source/build/scripts/make_css_property_equality.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from collections import defaultdict
+import sys
+
+import css_properties
+import in_generator
+from name_utilities import enum_for_css_property
+from name_utilities import lower_first
+import template_expander
+
+
+class CSSPropertyEqualityWriter(css_properties.CSSProperties):
+    filters = {
+        'lower_first': lower_first,
+    }
+
+    def __init__(self, in_file_path):
+        super(CSSPropertyEqualityWriter, self).__init__(in_file_path)
+
+        def set_if_none(property, key, value):
+            if property[key] is None:
+                property[key] = value
+
+        for property in self._properties.values():
+            upper_camel = property['upper_camel_name']
+            set_if_none(property, 'name_for_methods', upper_camel.replace('Webkit', ''))
+            name = property['name_for_methods']
+            simple_type_name = str(property['type_name']).split('::')[-1]
+            set_if_none(property, 'getter', lower_first(name) if simple_type_name != name else 'get' + name)
+
+        for property in self._properties.values():
+            property['longhand_property_ids'] = map(enum_for_css_property, property['longhands'].split(';'))
+
+        self._outputs = {
+            'CSSPropertyEquality.cpp': self.generate_property_equality,
+            'CSSPropertyEqualityCustom.h': self.generate_property_equality_custom_header,
+        }
+
+    @template_expander.use_jinja('CSSPropertyEquality.cpp.tmpl')
+    def generate_property_equality(self):
+        return {
+            'properties': self._properties,
+        }
+
+    @template_expander.use_jinja('CSSPropertyEqualityCustom.h.tmpl')
+    def generate_property_equality_custom_header(self):
+        return {
+            'properties': self._properties,
+        }
+
+if __name__ == '__main__':
+    in_generator.Maker(CSSPropertyEqualityWriter).main(sys.argv)