Disable WebUIWebViewBrowserTest.ContentScriptExistsAsLongAsWebViewTagExists on CrOS

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 3dc8459d5c1a063081982a856ae06b69716eb6fe..c9e4a294c7a09cdb02b01495d2c08d0d2af6a855 100644
--- a/chrome/browser/ui/webui/webui_webview_browsertest.cc
+++ b/chrome/browser/ui/webui/webui_webview_browsertest.cc
@@ -221,8 +221,16 @@ IN_PROC_BROWSER_TEST_F(WebUIWebViewBrowserTest,
       new base::StringValue(GetTestUrl("empty.html").spec())));
 }
 
+// TODO(crbug.com/662673) Flaky on CrOS trybots.
+#if defined(OS_CHROMEOS)
+#define MAYBE_ContentScriptExistsAsLongAsWebViewTagExists \
+  DISABLED_ContentScriptExistsAsLongAsWebViewTagExists
+#else
+#define MAYBE_ContentScriptExistsAsLongAsWebViewTagExists \
+  ContentScriptExistsAsLongAsWebViewTagExists
+#endif
 IN_PROC_BROWSER_TEST_F(WebUIWebViewBrowserTest,
-                       ContentScriptExistsAsLongAsWebViewTagExists) {
+                       MAYBE_ContentScriptExistsAsLongAsWebViewTagExists) {
   ui_test_utils::NavigateToURL(browser(), GetWebViewEnabledWebUIURL());
 
   ASSERT_TRUE(WebUIBrowserTest::RunJavascriptAsyncTest(