Revert of Separate CSSValueID mappings generator from ComputedStyleBase generator.

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

Index: third_party/WebKit/Source/build/scripts/make_computed_style_base.py
diff --git a/third_party/WebKit/Source/build/scripts/make_computed_style_base.py b/third_party/WebKit/Source/build/scripts/make_computed_style_base.py
index f9aeb8949f4dea9b32b38946f253fb15da45a80e..93b49a89c21cb2eac7bccbd447655fecd5154742 100755
--- a/third_party/WebKit/Source/build/scripts/make_computed_style_base.py
+++ b/third_party/WebKit/Source/build/scripts/make_computed_style_base.py
@@ -286,6 +286,7 @@
             'ComputedStyleBase.h': self.generate_base_computed_style_h,
             'ComputedStyleBase.cpp': self.generate_base_computed_style_cpp,
             'ComputedStyleBaseConstants.h': self.generate_base_computed_style_constants,
+            'CSSValueIDMappingsGenerated.h': self.generate_css_value_mappings,
         }
 
         # TODO(shend): Remove this once we move NONPROPERTIES to its own JSON file,
@@ -373,5 +374,21 @@
             'fields': self._fields,
         }
 
+    @template_expander.use_jinja('CSSValueIDMappingsGenerated.h.tmpl')
+    def generate_css_value_mappings(self):
+        mappings = {}
+
+        for property_ in self._properties.values():
+            if property_['field_template'] == 'keyword':
+                mappings[property_['type_name']] = {
+                    'default_value': enum_value_name(property_['default_value']),
+                    'mapping': [(enum_value_name(k), enum_for_css_keyword(k)) for k in property_['keywords']],
+                }
+
+        return {
+            'include_paths': self._include_paths,
+            'mappings': mappings,
+        }
+
 if __name__ == '__main__':
     json5_generator.Maker(ComputedStyleBaseWriter).main()