WIP - compositor worker mega patch.

third_party/WebKit/public/platform/WebMutator.h

+// 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.
+
+#ifndef WebMutator_h
+#define WebMutator_h
+
+#include "public/platform/WebCommon.h"
+#include "public/platform/WebMutation.h"
+
+namespace blink {
+
+class WebCompositorMutableStateProvider;
+class WebThread;
+
+class BLINK_EXPORT WebMutator {
+public:
+    virtual ~WebMutator() {}
+
+    virtual bool mutate(double timeNow, WebCompositorMutableStateProvider*) = 0;
+};
+
+} // namespace blink
+
+#endif // WebMutatorClient_h