Fix in LayoutTestPermissionManager::RequestPermissions

content/shell/browser/layout_test/layout_test_permission_manager.cc

Index: content/shell/browser/layout_test/layout_test_permission_manager.cc
diff --git a/content/shell/browser/layout_test/layout_test_permission_manager.cc b/content/shell/browser/layout_test/layout_test_permission_manager.cc
index 94c6c4f017ddc8019201e0acd358692b45640f50..9a211cc143527600a662ddd435b88662e5624e63 100644
--- a/content/shell/browser/layout_test/layout_test_permission_manager.cc
+++ b/content/shell/browser/layout_test/layout_test_permission_manager.cc
@@ -88,7 +88,8 @@ int LayoutTestPermissionManager::RequestPermissions(
         void(const std::vector<blink::mojom::PermissionStatus>&)>& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  std::vector<blink::mojom::PermissionStatus> result(permissions.size());
+  std::vector<blink::mojom::PermissionStatus> result;
+  result.reserve(permissions.size());
   const GURL& embedding_origin =
       WebContents::FromRenderFrameHost(render_frame_host)
           ->GetLastCommittedURL().GetOrigin();