Vendor the current version of WebRender

This is a step toward upgrading WebRender, which will be upgraded and
patched in the `third_party` directory. This change vendors the current
private branch of WebRender that we use and adds a `patches` directory
which tracks the changes on top of the upstream WebRender commit
described by third_party/webrender/patches/head.

1 files changed, 15 insertions, 0 deletions

diff --git a/third_party/webrender/wrench/script/reftest-debugger.py b/third_party/webrender/wrench/script/reftest-debugger.py
new file mode 100755
index 00000000000..19a2a198901
--- /dev/null
+++ b/third_party/webrender/wrench/script/reftest-debugger.py
@@ -0,0 +1,15 @@
+#!/usr/bin/python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from __future__ import print_function
+import subprocess
+
+with open('reftest.log', "w") as out:
+    try:
+        subprocess.check_call(['script/headless.py', 'reftest'], stdout=out)
+        print("All tests passed.")
+    except subprocess.CalledProcessError as ex:
+        subprocess.check_call(['firefox', 'reftest-analyzer.xhtml#logurl=reftest.log'])