WIP - compositor worker mega patch.

cc/blink/mutation_conversions.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 CC_BLINK_MUTATION_CONVERSIONS_H_
+#define CC_BLINK_MUTATION_CONVERSIONS_H_
+
+#include "cc/animation/layer_tree_mutation.h"
+#include "cc/blink/cc_blink_export.h"
+#include "third_party/WebKit/public/platform/WebMutation.h"
+
+namespace cc_blink {
+
+// TODO(vollick): once the repos are merged, this whole sorry business can be
+// deleted since we can share the compositor proxy mutation types.
+CC_BLINK_EXPORT void convertToBlinkMutations(
+    const cc::LayerTreeMutationMap& source,
+    blink::WebMutationMap* destination);
+
+CC_BLINK_EXPORT void convertFromBlinkMutations(
+    const blink::WebMutationMap& source,
+    cc::LayerTreeMutationMap* destination);
+
+}  // namespace cc_blink
+
+#endif  // CC_BLINK_MUTATION_CONVERSIONS_H_