Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

core/css/cssom/Perspective.idl

Index: core/css/cssom/Perspective.idl
diff --git a/core/css/cssom/Perspective.idl b/core/css/cssom/Perspective.idl
new file mode 100644
index 0000000000000000000000000000000000000000..6baedaaf54c5517a4cf5c3f52f0fe6ab6045f874
--- /dev/null
+++ b/core/css/cssom/Perspective.idl
@@ -0,0 +1,12 @@
+// 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.
+
+[
+    Constructor(LengthValue length),
+    ImplementedAs=PerspectiveTransformComponent,
+    RuntimeEnabled=CSSTypedOM,
+    RaisesException=Constructor
+] interface Perspective : TransformComponent {
+    readonly attribute LengthValue length;
+};