compositor-worker: blink->cc plumbing

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

Index: third_party/WebKit/Source/platform/graphics/CompositorMutator.h
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorMutator.h b/third_party/WebKit/Source/platform/graphics/CompositorMutator.h
new file mode 100644
index 0000000000000000000000000000000000000000..0d4023ff4a1271b2dc6299a81cd8e3f08f2c258c
--- /dev/null
+++ b/third_party/WebKit/Source/platform/graphics/CompositorMutator.h
@@ -0,0 +1,21 @@
+// 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 CompositorMutator_h
+#define CompositorMutator_h
+
+namespace blink {
+
+class CompositorMutableStateProvider;
+
+class CompositorMutator {
+public:
+    virtual ~CompositorMutator() {}
+
+    virtual bool mutate(double timeNow, CompositorMutableStateProvider*) = 0;
+};
+
+} // namespace blink
+
+#endif // CompositorMutator_h