Added CSSPropertyAPIMethods.json5 which defines all API methods.

third_party/WebKit/Source/core/css/properties/CSSPropertyAPIMethods.json5

Index: third_party/WebKit/Source/core/css/properties/CSSPropertyAPIMethods.json5
diff --git a/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIMethods.json5 b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIMethods.json5
new file mode 100644
index 0000000000000000000000000000000000000000..d30344ce51a6e36e6e9e5c7812ee7e10cd8ee6c3
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIMethods.json5
@@ -0,0 +1,39 @@
+{
+	// This file specifies all the methods in CSSPropertyAPI.h and the necessary
+	// information for code generation of the API and it's related classes.
+	parameters: {
+		// - name
+		// The name of this method in camel case.
+		name: {
+			default: "",
+			valid_type: "str",
+		},
+
+		// - return_type
+		// Return type of this method.
+		return_type: {
+			default: "",
+			valid_type: "str",
+		},
+
+		// - parameters
+		// The parameters of this method. This string should be the types of
+		// all parameters, inside brackets and comma separated.
+		parameters: {
+			default: "",
+			valid_type: "str",
+		}
+	},
+	data: [
+		{
+		  name: "parseSingleValue",
+		  return_type: "const CSSValue*",
+		  parameters: "(CSSParserTokenRange&, const CSSParserContext*)"
+		},
+		{
+		  name: "parseShorthand",
+		  return_type: "bool",
+		  parameters: "(bool, CSSParserTokenRange&, const CSSParserContext*)"
+		},
+	]
+}