WIP - compositor worker mega patch.

third_party/WebKit/public/platform/WebMutableProperties.h

Index: third_party/WebKit/public/platform/WebMutableProperties.h
diff --git a/third_party/WebKit/public/platform/WebMutableProperties.h b/third_party/WebKit/public/platform/WebMutableProperties.h
new file mode 100644
index 0000000000000000000000000000000000000000..034cf6affa3b366f346dd465c62e62c7a5887400
--- /dev/null
+++ b/third_party/WebKit/public/platform/WebMutableProperties.h
@@ -0,0 +1,20 @@
+// Copyright 2016 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.
+
+#ifndef CompositorMutableProperties_h
+#define CompositorMutableProperties_h
+
+namespace blink {
+
+enum CompositorMutableProperty {
+    CompositorMutablePropertyNone = 0,
+    CompositorMutablePropertyOpacity = 1 << 0,
+    CompositorMutablePropertyScrollLeft = 1 << 1,
+    CompositorMutablePropertyScrollTop = 1 << 2,
+    CompositorMutablePropertyTransform = 1 << 3,
+};
+
+} // namespace blink
+
+#endif // CompositorMutableProperties_h