Start an empty interface OffScreenCanvas

third_party/WebKit/Source/core/html/canvas/OffScreenCanvas.idl

Index: third_party/WebKit/Source/core/html/canvas/OffScreenCanvas.idl
diff --git a/third_party/WebKit/Source/core/html/canvas/OffScreenCanvas.idl b/third_party/WebKit/Source/core/html/canvas/OffScreenCanvas.idl
new file mode 100644
index 0000000000000000000000000000000000000000..149ffafa2a5f62d93e4aab1f294c137c16c850cf
--- /dev/null
+++ b/third_party/WebKit/Source/core/html/canvas/OffScreenCanvas.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.
+
+// https://wiki.whatwg.org/wiki/OffscreenCanvas

[Justin Novosad, 2015/12/03 04:42:58]

I am not sure we should link to this. It is not an actual spec, and will soon be
obsolete.

[xidachen, 2015/12/03 04:54:47]

Done.

+
+[
+    Constructor(unsigned long width, unsigned long height),
+    GarbageCollected,
+    RuntimeEnabled=ExperimentalCanvasFeatures,
+] interface OffScreenCanvas {

[Justin Novosad, 2015/12/03 04:42:58]

initial interface should at least expose width and height attributes, then the
constructor test can verify that the size is equal to what was passed to the
constructor.

[xidachen, 2015/12/03 04:54:47]

Done.

+};