[Extensions] Isolate ExtensionFunction results_ and error_

extensions/browser/api/management/management_api.cc

Index: extensions/browser/api/management/management_api.cc
diff --git a/extensions/browser/api/management/management_api.cc b/extensions/browser/api/management/management_api.cc
index 60180c5dd49a3c464c7dab6637e7206950362204..fb4c4198ce9f6de6fd2ed80b2dfdc7e8df4c7539 100644
--- a/extensions/browser/api/management/management_api.cc
+++ b/extensions/browser/api/management/management_api.cc
@@ -678,12 +678,15 @@ bool ManagementCreateAppShortcutFunction::RunAsync() {
     return true;
   }
 
+  std::string error;
   if (ManagementAPI::GetFactoryInstance()
           ->Get(browser_context())
           ->GetDelegate()
-          ->CreateAppShortcutFunctionDelegate(this, extension)) {
+          ->CreateAppShortcutFunctionDelegate(this, extension, &error)) {
     // Matched with a Release() in OnCloseShortcutPrompt().
     AddRef();
+  } else {
+    SetError(error);
   }
 
   // Response is sent async in OnCloseShortcutPrompt().