[Extensions] Clean up the handling of ExtensionHostMsg_Request

chrome/browser/guest_view/extension_view/chrome_extension_view_guest_delegate.h

Index: chrome/browser/guest_view/extension_view/chrome_extension_view_guest_delegate.h
diff --git a/chrome/browser/guest_view/extension_view/chrome_extension_view_guest_delegate.h b/chrome/browser/guest_view/extension_view/chrome_extension_view_guest_delegate.h
deleted file mode 100644
index 3cae365f0261b14ac2e2719adef7d0860ec91556..0000000000000000000000000000000000000000
--- a/chrome/browser/guest_view/extension_view/chrome_extension_view_guest_delegate.h
+++ /dev/null
@@ -1,27 +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 CHROME_BROWSER_GUEST_VIEW_EXTENSION_VIEW_CHROME_EXTENSION_VIEW_GUEST_DELEGATE_H_
-#define CHROME_BROWSER_GUEST_VIEW_EXTENSION_VIEW_CHROME_EXTENSION_VIEW_GUEST_DELEGATE_H_
-
-#include "extensions/browser/guest_view/extension_view/extension_view_guest_delegate.h"
-
-namespace extensions {
-
-class ExtensionViewGuest;
-
-class ChromeExtensionViewGuestDelegate : public ExtensionViewGuestDelegate {
- public:
-  explicit ChromeExtensionViewGuestDelegate(ExtensionViewGuest* guest);
-  ~ChromeExtensionViewGuestDelegate() override;
-
-  void DidInitialize() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ChromeExtensionViewGuestDelegate);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_GUEST_VIEW_EXTENSION_VIEW_CHROME_EXTENSION_VIEW_GUEST_DELEGATE_H_