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

core/css/cssom/CalcLength.idl

Index: core/css/cssom/CalcLength.idl
diff --git a/core/css/cssom/CalcLength.idl b/core/css/cssom/CalcLength.idl
new file mode 100644
index 0000000000000000000000000000000000000000..79b2d2c0a7f7f3ef8ed63c2a0fc7f054ea7da29b
--- /dev/null
+++ b/core/css/cssom/CalcLength.idl
@@ -0,0 +1,23 @@
+[
+    Constructor(LengthValue length),
+    Constructor(CalcDictionary calcDictionary),
+    ImplementedAs=StyleCalcLength,
+    RaisesException=Constructor,
+    RuntimeEnabled=CSSTypedOM
+] interface CalcLength : LengthValue {
+    readonly attribute double? px;
+    readonly attribute double? percent;
+    readonly attribute double? em;
+    readonly attribute double? ex;
+    readonly attribute double? ch;
+    readonly attribute double? rem;
+    readonly attribute double? vw;
+    readonly attribute double? vh;
+    readonly attribute double? vmin;
+    readonly attribute double? vmax;
+    readonly attribute double? cm;
+    readonly attribute double? mm;
+    readonly attribute double? in;
+    readonly attribute double? pc;
+    readonly attribute double? pt;
+};