[Extensions] Migrate ServiceWorker off behavior feature system

chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.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 "chrome/renderer/extensions/chrome_extensions_dispatcher_delegate.h"
 
 #include "base/command_line.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/common/channel_info.h"
@@ skipping 10 matching lines @@
 #include "chrome/renderer/extensions/notifications_native_handler.h"
 #include "chrome/renderer/extensions/page_capture_custom_bindings.h"
 #include "chrome/renderer/extensions/platform_keys_natives.h"
 #include "chrome/renderer/extensions/sync_file_system_custom_bindings.h"
 #include "chrome/renderer/extensions/tabs_custom_bindings.h"
 #include "chrome/renderer/extensions/webstore_bindings.h"
 #include "components/version_info/version_info.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
+#include "extensions/common/constants.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/permissions/manifest_permission_set.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/switches.h"
 #include "extensions/renderer/dispatcher.h"
 #include "extensions/renderer/native_handler.h"
 #include "extensions/renderer/resource_bundle_source_map.h"
 #include "extensions/renderer/script_context.h"
@@ skipping 212 matching lines @@
     const std::set<std::string>& extension_ids) {
   // In single-process mode, the browser process reports the active extensions.
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           ::switches::kSingleProcess))
     return;
   crash_keys::SetActiveExtensions(extension_ids);
 }
 
 void ChromeExtensionsDispatcherDelegate::SetChannel(int channel) {
   extensions::SetCurrentChannel(static_cast<version_info::Channel>(channel));
+  if (extensions::GetCurrentChannel() == version_info::Channel::UNKNOWN) {
+    // chrome-extension: resources should be allowed to register ServiceWorkers.
+    blink::WebSecurityPolicy::registerURLSchemeAsAllowingServiceWorkers(
+        blink::WebString::fromUTF8(extensions::kExtensionScheme));
+  }
 }