Add renaming of conflicting constructors and operations (#579)

* Add renaming of conflicting constructors and operations

* Rename conflicting to overloaded

* Fix newlines

* Use or_insert_with, add a comment to TypeToString

* Use more Rust-like names

* Use opt instead of nullable

* Use argument names instead of argument types if possible

* Drop new for overloaded constructots

* Remove extra newline

* Move WebIDL files from unavailable_overloaded_fn

* Move RTCDataChannel, RTCPeerConnection and Selection to unavailable_option_primitive

crates/web-sys/webidls/enabled/WebKitCSSMatrix.webidl

@@ -0,0 +1,39 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://compat.spec.whatwg.org/#webkitcssmatrix-interface
+ */
+
+[Constructor,
+ Constructor(DOMString transformList),
+ Constructor(WebKitCSSMatrix other),
+ Exposed=Window,
+ Func="mozilla::dom::WebKitCSSMatrix::FeatureEnabled"]
+interface WebKitCSSMatrix : DOMMatrix {
+    // Mutable transform methods
+    [Throws]
+    WebKitCSSMatrix setMatrixValue(DOMString transformList);
+
+    // Immutable transform methods
+    WebKitCSSMatrix multiply(WebKitCSSMatrix other);
+    [Throws]
+    WebKitCSSMatrix inverse();
+    WebKitCSSMatrix translate(optional unrestricted double tx = 0,
+                              optional unrestricted double ty = 0,
+                              optional unrestricted double tz = 0);
+    WebKitCSSMatrix scale(optional unrestricted double scaleX = 1,
+                          optional unrestricted double scaleY,
+                          optional unrestricted double scaleZ = 1);
+    WebKitCSSMatrix rotate(optional unrestricted double rotX = 0,
+                           optional unrestricted double rotY,
+                           optional unrestricted double rotZ);
+    WebKitCSSMatrix rotateAxisAngle(optional unrestricted double x = 0,
+                                    optional unrestricted double y = 0,
+                                    optional unrestricted double z = 0,
+                                    optional unrestricted double angle = 0);
+    WebKitCSSMatrix skewX(optional unrestricted double sx = 0);
+    WebKitCSSMatrix skewY(optional unrestricted double sy = 0);
+};