Generate StyleRareNonInheritedData in ComputedStyleBase.

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

 #!/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.
 
 import math
 import sys
 
 import json5_generator
 import template_expander
 import make_style_builder
 
 from name_utilities import (
     enum_for_css_keyword, enum_type_name, enum_value_name, class_member_name, method_name,
     class_name, join_name
 )
 from collections import defaultdict, OrderedDict
 from itertools import chain
 
 # Heuristic ordering of types from largest to smallest, used to sort fields by their alignment sizes.
 # Specifying the exact alignment sizes for each type is impossible because it's platform specific,
 # so we define an ordering instead.
 # The ordering comes from the data obtained in:
 # https://codereview.chromium.org/2841413002
 # TODO(shend): Put alignment sizes into code form, rather than linking to a CL which may disappear.
 ALIGNMENT_ORDER = [
+    # Aligns like double
     'double',
-    'AtomicString', 'RefPtr', 'Persistent', 'Font', 'FillLayer', 'NinePieceImage',  # Aligns like a pointer (can be 32 or 64 bits)
-    'LengthBox', 'LengthSize', 'Length', 'TextSizeAdjust', 'TabSize', 'float',
-    'StyleColor', 'Color', 'LayoutUnit', 'unsigned', 'int',
+    # Aligns like a pointer (can be 32 or 64 bits)
+    'AtomicString', 'DataRef', 'RefPtr', 'DataPersistent', 'Persistent', 'std::unique_ptr',
+    'Vector<String>', 'Font', 'FillLayer', 'NinePieceImage',
+    # Aligns like float
+    'LengthBox', 'LengthSize', 'FloatSize', 'LengthPoint', 'Length', 'TextSizeAdjust', 'TabSize', 'float',
+    # Aligns like int
+    'StyleColor', 'Color', 'LayoutUnit', 'LineClampValue', 'OutlineValue', 'unsigned', 'int',
+    # Aligns like short
     'short',
-    'uint8_t', 'char',
+    # Aligns like char
+    'StyleSelfAlignmentData', 'StyleContentAlignmentData', 'uint8_t', 'char',
+    # Aligns like bool
     'bool'
 ]
 
 # TODO(shend): Improve documentation and add docstrings.
 
 
 def _flatten_list(x):
     """Flattens a list of lists into a single list."""
     return list(chain.from_iterable(x))
 
@@ skipping 419 matching lines @@
 
     @template_expander.use_jinja('ComputedStyleBaseConstants.h.tmpl')
     def generate_base_computed_style_constants(self):
         return {
             'properties': self._properties,
             'enums': self._generated_enums,
         }
 
 if __name__ == '__main__':
     json5_generator.Maker(ComputedStyleBaseWriter).main()