Move GuestView layer in browser to components

extensions/browser/guest_view/guest_view_message_filter.h

Index: extensions/browser/guest_view/guest_view_message_filter.h
diff --git a/extensions/browser/guest_view/guest_view_message_filter.h b/extensions/browser/guest_view/guest_view_message_filter.h
deleted file mode 100644
index c5fb487c9ec77bafe1b8d0ac14551f7b46e7a01d..0000000000000000000000000000000000000000
--- a/extensions/browser/guest_view/guest_view_message_filter.h
+++ /dev/null
@@ -1,67 +0,0 @@
-// 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 EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MESSAGE_FILTER_H_
-#define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MESSAGE_FILTER_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "content/public/browser/browser_message_filter.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace content {
-class BrowserContext;
-class WebContents;
-}
-
-namespace gfx {
-class Size;
-}
-
-namespace extensions {
-
-// This class filters out incoming GuestView-specific IPC messages from the
-// renderer process. It is created on the UI thread. Messages may be handled on
-// the IO thread or the UI thread.
-class GuestViewMessageFilter : public content::BrowserMessageFilter {
- public:
-  GuestViewMessageFilter(int render_process_id,
-                         content::BrowserContext* context);
-
- private:
-  friend class content::BrowserThread;
-  friend class base::DeleteHelper<GuestViewMessageFilter>;
-
-  ~GuestViewMessageFilter() override;
-
-  // content::BrowserMessageFilter implementation.
-  void OverrideThreadForMessage(const IPC::Message& message,
-                                content::BrowserThread::ID* thread) override;
-  void OnDestruct() const override;
-  bool OnMessageReceived(const IPC::Message& message) override;
-
-  // Message handlers on the UI thread.
-  void OnAttachGuest(int element_instance_id,
-                     int guest_instance_id,
-                     const base::DictionaryValue& attach_params);
-
-  const int render_process_id_;
-
-  // Should only be accessed on the UI thread.
-  content::BrowserContext* const browser_context_;
-
-  // Weak pointers produced by this factory are bound to the IO thread.
-  base::WeakPtrFactory<GuestViewMessageFilter> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(GuestViewMessageFilter);
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MESSAGE_FILTER_H_