Revert "Allow declarative webrequest and webrequest in extensions."

extensions/browser/guest_view/web_view/web_view_guest_delegate.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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_
 
 #include "extensions/browser/guest_view/guest_view_base.h"
 
 namespace content {
@@ skipping 22 matching lines @@
 
   // Returns the current zoom factor.
   virtual double GetZoom() = 0;
 
   // Called when context menu operation was handled.
   virtual bool HandleContextMenu(const content::ContextMenuParams& params) = 0;
 
   // Called to attach helpers just after additional initialization is performed.
   virtual void OnAttachWebViewHelpers(content::WebContents* contents) = 0;
 
+  // Called to perform some cleanup prior to destruction.
+  virtual void OnEmbedderDestroyed() = 0;
+
   // Called after the guest has been attached to an embedder and suspended
   // resource loads have been resumed.
   virtual void OnDidAttachToEmbedder() = 0;
 
   // Called when the guest WebContents commits a provisional load in any frame.
   virtual void OnDidCommitProvisionalLoadForFrame(bool is_main_frame) = 0;
 
   // Called just after additional initialization is performed.
   virtual void OnDidInitialize() = 0;
 
@@ skipping 11 matching lines @@
   // menu items to contain only the items from |items|.
   // |items| == NULL means no filtering will be applied.
   virtual void OnShowContextMenu(
       int request_id,
       const MenuItemVector* items) = 0;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_DELEGATE_H_