Move guest view container message routing out of content/.

components/guest_view/renderer/guest_view_container_observer.h

+// 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 COMPONENTS_GUEST_VIEW_RENDERER_GUEST_VIEW_CONTAINER_OBSERVER_H_
+#define COMPONENTS_GUEST_VIEW_RENDERER_GUEST_VIEW_CONTAINER_OBSERVER_H_
+
+#include "base/memory/linked_ptr.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/renderer/render_process_observer.h"
+#include "ipc/ipc_message.h"
+
+namespace guest_view {
+
+// Observer used to route messages to GuestViewContainer.

[Fady Samuel, 2015/06/01 11:32:25]

This is a dispatcher for GuestViewContainer, not an observer of
GuestViewContainers.

[lazyboy, 2015/06/01 16:00:07]

Done.

+class GuestViewContainerObserver : public content::RenderProcessObserver {
+ public:
+  GuestViewContainerObserver();
+  ~GuestViewContainerObserver() override;
+
+ protected:
+  // Returns true if |message| is handled for a GuestViewContainer.
+  virtual bool HandlesMessage(const IPC::Message& message) = 0;
+
+ private:
+  // content::RenderProcessObserver implementation.
+  bool OnControlMessageReceived(const IPC::Message& message) override;
+
+  DISALLOW_COPY_AND_ASSIGN(GuestViewContainerObserver);
+};
+
+}  // namespace guest_view
+
+#endif  // COMPONENTS_GUEST_VIEW_RENDERER_GUEST_VIEW_CONTAINER_OBSERVER_H_