Revert of Move geometry interface files to geometry directory.

third_party/WebKit/Source/core/dom/DOMPoint.idl

+// Copyright 2014 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.
+
+// https://dev.w3.org/fxtf/geometry/#DOMPoint
+
+[
+    Constructor(optional unrestricted double x = 0, optional unrestricted double y = 0,
+                optional unrestricted double z = 0, optional unrestricted double w = 1),
+    Exposed=(Window,Worker),
+    RuntimeEnabled=GeometryInterfaces,
+] interface DOMPoint : DOMPointReadOnly {
+    [NewObject] static DOMPoint fromPoint(optional DOMPointInit other);
+    inherit attribute unrestricted double x;
+    inherit attribute unrestricted double y;
+    inherit attribute unrestricted double z;
+    inherit attribute unrestricted double w;
+};