Remove chrome-extension-resource:// scheme

extensions/browser/extension_web_contents_observer.cc

 // 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.
 
 #include "extensions/browser/extension_web_contents_observer.h"
 
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 52 matching lines @@
   // frames that are not in an extension process.
   if (!frame_extension)
     return;
 
   // |render_frame_host->GetProcess()| is an extension process. Grant permission
   // to commit pages from chrome-extension:// origins.
   content::ChildProcessSecurityPolicy* security_policy =
       content::ChildProcessSecurityPolicy::GetInstance();
   int process_id = render_frame_host->GetProcess()->GetID();
   security_policy->GrantScheme(process_id, extensions::kExtensionScheme);
-  security_policy->GrantScheme(process_id,
-                               extensions::kExtensionResourceScheme);
 
   // Notify the render frame of the view type.
   render_frame_host->Send(new ExtensionMsg_NotifyRenderViewType(
       render_frame_host->GetRoutingID(), GetViewType(web_contents())));
 
   ExtensionsBrowserClient::Get()->RegisterMojoServices(render_frame_host,
                                                        frame_extension);
   ProcessManager::Get(browser_context_)
       ->RegisterRenderFrameHost(web_contents(), render_frame_host,
                                 frame_extension);
@@ skipping 207 matching lines @@
   // Since this is called for all existing RenderFrameHosts during the
   // ExtensionWebContentsObserver's creation, it's possible that not all hosts
   // are ready.
   // We only initialize the frame if the renderer counterpart is live; otherwise
   // we wait for the RenderFrameCreated notification.
   if (render_frame_host->IsRenderFrameLive())
     InitializeRenderFrame(render_frame_host);
 }
 
 }  // namespace extensions