compositor-worker: cc->blink mutation plumbing

third_party/WebKit/Source/platform/graphics/CompositorMutatorClient.h

Index: third_party/WebKit/Source/platform/graphics/CompositorMutatorClient.h
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorMutatorClient.h b/third_party/WebKit/Source/platform/graphics/CompositorMutatorClient.h
new file mode 100644
index 0000000000000000000000000000000000000000..1c5ee5e761679bb3a008c14deb55e34c8b71fbaa
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+++ b/third_party/WebKit/Source/platform/graphics/CompositorMutatorClient.h
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+// 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 CompositorMutatorClient_h
+#define CompositorMutatorClient_h
+
+#include "platform/PlatformExport.h"
+#include "public/platform/WebCompositorMutatorClient.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+struct CompositorMutations;
+class CompositorMutationsTarget;
+
+class PLATFORM_EXPORT CompositorMutatorClient : public WebCompositorMutatorClient {
+public:
+    CompositorMutatorClient(CompositorMutationsTarget*);
+    virtual ~CompositorMutatorClient();
+
+    // cc::LayerTreeMutator
+    base::Closure TakeMutations() override;
+
+    void setMutationsForTesting(PassOwnPtr<CompositorMutations>);
+private:
+    CompositorMutationsTarget* m_mutationsTarget;
+    OwnPtr<CompositorMutations> m_mutations;
+};
+
+} // namespace blink
+
+#endif // CompositorMutatorClient_h