signin: Abort previous 'channelConnected' handling on retry

chrome/browser/ui/webui/webui_webview_browsertest.cc

Index: chrome/browser/ui/webui/webui_webview_browsertest.cc
diff --git a/chrome/browser/ui/webui/webui_webview_browsertest.cc b/chrome/browser/ui/webui/webui_webview_browsertest.cc
index bd5c2c19d5324ad312066a73f9474c03db68ea81..a8fcadc504327d8b870f703f6082fdfc957730fd 100644
--- a/chrome/browser/ui/webui/webui_webview_browsertest.cc
+++ b/chrome/browser/ui/webui/webui_webview_browsertest.cc
@@ -99,14 +99,8 @@ IN_PROC_BROWSER_TEST_F(WebUIWebViewBrowserTest, AddAndRemoveContentScripts) {
       new base::StringValue(GetTestUrl("empty.html").spec())));
 }
 
-// Flaky under MemorySanitizer: https://crbug.com/497977
-#if defined(MEMORY_SANITIZER)
-#define MAYBE_AddContentScriptsWithNewWindowAPI DISABLED_AddContentScriptsWithNewWindowAPI
-#else
-#define MAYBE_AddContentScriptsWithNewWindowAPI AddContentScriptsWithNewWindowAPI
-#endif
 IN_PROC_BROWSER_TEST_F(WebUIWebViewBrowserTest,
-                       MAYBE_AddContentScriptsWithNewWindowAPI) {
+                       AddContentScriptsWithNewWindowAPI) {
   ui_test_utils::NavigateToURL(browser(), GetWebViewEnabledWebUIURL());
 
   ASSERT_TRUE(WebUIBrowserTest::RunJavascriptAsyncTest(