WIP - compositor worker mega patch.

cc/blink/web_mutator_client_impl.h

Index: cc/blink/web_mutator_client_impl.h
diff --git a/cc/blink/web_mutator_client_impl.h b/cc/blink/web_mutator_client_impl.h
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+++ b/cc/blink/web_mutator_client_impl.h
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+// 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_WEB_MUTATOR_CLIENT_IMPL_H_
+#define CC_BLINK_WEB_MUTATOR_CLIENT_IMPL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/animation/layer_tree_mutator.h"
+#include "cc/blink/cc_blink_export.h"
+#include "third_party/WebKit/public/platform/WebMutation.h"
+#include "third_party/WebKit/public/platform/WebMutatorClient.h"
+
+namespace blink {
+class WebMutator;
+}  // namespace blink
+
+namespace cc_blink {
+
+class WebMutatorClientImpl : public blink::WebMutatorClient,
+                             public cc::LayerTreeMutator {
+ public:
+  CC_BLINK_EXPORT WebMutatorClientImpl(blink::WebMutator*);
+  ~WebMutatorClientImpl() override;
+
+  // cc::LayerTreeMutator
+  bool Mutate(base::TimeTicks timeNow, cc::LayerTreeImpl* state) override;
+  void SetClient(cc::LayerTreeMutatorClient* client) override;
+  cc::LayerTreeMutationMap* TakeMutations() override;
+
+  // blink::WebMutatorClient
+  void setNeedsMutate() override;
+
+ private:
+  cc::LayerTreeMutatorClient* client_;
+  blink::WebMutator* mutator_;
+  scoped_ptr<cc::LayerTreeMutationMap> mutations_;
+};
+
+}  // namespace cc_blink
+
+#endif  // CC_BLINK_WEB_MUTATOR_CLIENT_IMPL_H_