Move guest view container message routing out of content/.

chrome/renderer/chrome_guest_view_container_observer.h

Index: chrome/renderer/chrome_guest_view_container_observer.h
diff --git a/chrome/renderer/chrome_guest_view_container_observer.h b/chrome/renderer/chrome_guest_view_container_observer.h
new file mode 100644
index 0000000000000000000000000000000000000000..d7e080c7243fd766d50f46aeb88e708d7e09c437
--- /dev/null
+++ b/chrome/renderer/chrome_guest_view_container_observer.h
@@ -0,0 +1,23 @@
+// 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 CHROME_RENDERER_CHROME_GUEST_VIEW_CONTAINER_OBSERVER_H_
+#define CHROME_RENDERER_CHROME_GUEST_VIEW_CONTAINER_OBSERVER_H_
+
+#include "components/guest_view/renderer/guest_view_container_observer.h"
+
+class ChromeGuestViewContainerObserver
+    : public guest_view::GuestViewContainerObserver {
+ public:
+  ChromeGuestViewContainerObserver();
+  ~ChromeGuestViewContainerObserver() override;
+
+ private:
+  // guest_view::GuestViewContainerObserver implementation.
+  bool HandlesMessage(const IPC::Message& message) override;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeGuestViewContainerObserver);
+};
+
+#endif  // CHROME_RENDERER_CHROME_GUEST_VIEW_CONTAINER_OBSERVER_H_