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

core/css/cssom/SimpleLength.idl

Index: core/css/cssom/SimpleLength.idl
diff --git a/core/css/cssom/SimpleLength.idl b/core/css/cssom/SimpleLength.idl
new file mode 100644
index 0000000000000000000000000000000000000000..07c0b491fbcc64f1d62ea109242467f2d83d1fe9
--- /dev/null
+++ b/core/css/cssom/SimpleLength.idl
@@ -0,0 +1,12 @@
+// Copyright 2015 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(double value, DOMString type),
+    RaisesException=Constructor,
+    RuntimeEnabled=CSSTypedOM
+] interface SimpleLength : LengthValue {
+    [EnforceRange] attribute double value;
+    [ImplementedAs=unit] readonly attribute LengthType type;
+};