Improve error messaging of webRequest API in case of conflicts

chrome/browser/ui/webui/extensions/extension_settings_handler.h

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.h
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.h b/chrome/browser/ui/webui/extensions/extension_settings_handler.h
index aba16eb824230c73d9cc28f835e743ad8cc28748..fce0fe01c15b21b8c323636b3aaab6b8e4b63c67 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.h
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.h
@@ -13,7 +13,6 @@
 #include "chrome/browser/api/prefs/pref_change_registrar.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_uninstall_dialog.h"
-#include "chrome/browser/extensions/extension_warning_set.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/notification_observer.h"
@@ -36,6 +35,7 @@ class ListValue;
 namespace extensions {
 class Extension;
 class ExtensionHost;
+class ExtensionWarningService;
 class ManagementPolicy;
 }
 
@@ -72,7 +72,7 @@ class ExtensionSettingsHandler : public content::WebUIMessageHandler,
   base::DictionaryValue* CreateExtensionDetailValue(
       const extensions::Extension* extension,
       const std::vector<ExtensionPage>& pages,
-      const ExtensionWarningSet* warning_set);
+      const extensions::ExtensionWarningService* warning_set);
 
   void GetLocalizedValues(base::DictionaryValue* localized_strings);