Move geometry interface files to geometry directory.

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

Index: third_party/WebKit/Source/core/dom/DOMQuadInit.idl
diff --git a/third_party/WebKit/Source/core/dom/DOMQuadInit.idl b/third_party/WebKit/Source/core/dom/DOMQuadInit.idl
deleted file mode 100644
index 126a47a9894db4c21a48fd1348d962370f6679fc..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/dom/DOMQuadInit.idl
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright 2017 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://drafts.fxtf.org/geometry/#dictdef-domquadinit
-
-dictionary DOMQuadInit {
-    DOMPointInit p1;
-    DOMPointInit p2;
-    DOMPointInit p3;
-    DOMPointInit p4;
-};