Extensions: Move id_util functions to crx_file component.

chrome/browser/extensions/active_script_controller.cc

Index: chrome/browser/extensions/active_script_controller.cc
diff --git a/chrome/browser/extensions/active_script_controller.cc b/chrome/browser/extensions/active_script_controller.cc
index d82290756cd6b89965108d96e6ff472750710535..6920b887f13bb81afe1ad0472fd0e42bdc1314bb 100644
--- a/chrome/browser/extensions/active_script_controller.cc
+++ b/chrome/browser/extensions/active_script_controller.cc
@@ -19,6 +19,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/common/extensions/api/extension_action/action_info.h"
+#include "components/crx_file/id_util.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_view_host.h"
@@ -269,7 +270,7 @@ void ActiveScriptController::OnRequestScriptInjectionPermission(
     const std::string& extension_id,
     UserScript::InjectionType script_type,
     int64 request_id) {
-  if (!Extension::IdIsValid(extension_id)) {
+  if (!crx_file::id_util::IdIsValid(extension_id)) {
     NOTREACHED() << "'" << extension_id << "' is not a valid id.";
     return;
   }