Added api_methods flag to CSSProperties.json5.

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

Index: third_party/WebKit/Source/build/scripts/make_css_property_apis.py
diff --git a/third_party/WebKit/Source/build/scripts/make_css_property_apis.py b/third_party/WebKit/Source/build/scripts/make_css_property_apis.py
index 35ee4a2bb4944b2127cf5ce56f14a3296dd057d4..ced7439c0d68938437e1a63889331c17a5904e9d 100755
--- a/third_party/WebKit/Source/build/scripts/make_css_property_apis.py
+++ b/third_party/WebKit/Source/build/scripts/make_css_property_apis.py
@@ -11,7 +11,6 @@ import make_style_builder
 
 from collections import namedtuple, defaultdict
 
-
 # Gets the classname for a given property.
 def get_classname(property):
     if property['api_class'] is True:
@@ -25,6 +24,10 @@ def get_classname(property):
 
 class CSSPropertyAPIWriter(make_style_builder.StyleBuilderWriter):
     def __init__(self, json5_file_path):
+        # Holds names of all valid methods in the API. When a new method is added
+        # to the API, it must also be added to this list.
+        valid_methods = ["parseSingleValue"]
+
         super(CSSPropertyAPIWriter, self).__init__(json5_file_path)
         self._outputs = {
             'CSSPropertyDescriptor.cpp': self.generate_property_descriptor_cpp,
@@ -37,7 +40,10 @@ class CSSPropertyAPIWriter(make_style_builder.StyleBuilderWriter):
                 continue
             classname = get_classname(property)
             properties_for_class[classname].append(property['property_id'])
-            self._outputs[classname + '.h'] = self.generate_property_api_h_builder(classname)
+            for method in property['api_methods']:
+                assert method in valid_methods, 'Invalid method ' + method + \
+                    '. Methods added to the API must also be added to list of valid methods.'

[nainar, 2017/01/31 03:21:19]

valid methods -> valid_methods

+            self._outputs[classname + '.h'] = self.generate_property_api_h_builder(classname, property['api_methods'])
 
         # Stores a list of classes with elements (index, classname, [propertyIDs, ..]).
         self._api_classes = []
@@ -58,11 +64,12 @@ class CSSPropertyAPIWriter(make_style_builder.StyleBuilderWriter):
 
     # Provides a function object given the classname of the property.
     # This returned function generates a .h file for the specified property.
-    def generate_property_api_h_builder(self, api_classname):
+    def generate_property_api_h_builder(self, api_classname, implemented_functions):
         @template_expander.use_jinja('CSSPropertyAPIFiles.h.tmpl')
         def generate_property_api_h():
             return {
                 'api_classname': api_classname,
+                'implemented_functions': implemented_functions,
             }
         return generate_property_api_h