Plumbing toward transitioning remote frame back to a local frame.

Source/core/frame/RemoteFrameClient.h

+// Copyright 2014 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 RemoteFrameClient_h
+#define RemoteFrameClient_h
+
+#include "core/frame/FrameClient.h"
+
+namespace blink {
+
+class ResourceRequest;
+
+class RemoteFrameClient : public FrameClient {
+public:
+    virtual ~RemoteFrameClient() { }
+
+    virtual void navigate(const ResourceRequest&, bool shouldReplaceCurrentEntry) = 0;
+};
+
+} // namespace blink
+
+#endif // RemoteFrameClient_h