Remove chrome-extension-resource:// scheme

chrome/browser/resources/BUILD.gn

 # 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.
 
 import("//chrome/common/features.gni")
 import("//tools/grit/grit_rule.gni")
 
 grit("net_internals_resources") {
   source = "net_internals_resources.grd"
   use_qualified_include = true
@@ skipping 56 matching lines @@
   source = "translate_internals_resources.grd"
   use_qualified_include = true
   defines = chrome_grit_defines
   outputs = [
     "grit/translate_internals_resources.h",
     "translate_internals_resources.pak",
   ]
   output_dir = "$root_gen_dir/chrome"
 }
 
-copy("extension_resource_demo") {
-  sources = [
-    "extension_resource/demo/library.js",
-  ]
-  outputs = [
-    "$root_out_dir/resources/extension/demo/library.js",
-  ]
-}
-
 if (!is_ios) {
   grit("component_extension_resources") {
     source = "component_extension_resources.grd"
 
     # TODO(thestig): use_qualified_include = true
     defines = chrome_grit_defines
     if (enable_hangout_services_extension) {
       defines += [ "enable_hangout_services_extension" ]
     }
 
@@ skipping 57 matching lines @@
     source = "sync_file_system_internals_resources.grd"
     use_qualified_include = true
     defines = chrome_grit_defines
     outputs = [
       "grit/sync_file_system_internals_resources.h",
       "sync_file_system_internals_resources.pak",
     ]
     output_dir = "$root_gen_dir/chrome"
   }
 }