Disable LauncherAppBrowserTest.MultipleOwnedTabs

chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc
index a3c71d93285614f259cc741a55a51aa8046c7b38..41a5b93a72dfb3904dde8fcf6d823cd0e842a6d1 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc
@@ -1069,7 +1069,8 @@ IN_PROC_BROWSER_TEST_F(LauncherAppBrowserTest, TabDragAndDrop) {
   tab_strip_model2->CloseAllTabs();
 }
 
-IN_PROC_BROWSER_TEST_F(LauncherAppBrowserTest, MultipleOwnedTabs) {
+// Flaky test. crbug.com/303231
+IN_PROC_BROWSER_TEST_F(LauncherAppBrowserTest, DISABLED_MultipleOwnedTabs) {
   TabStripModel* tab_strip = browser()->tab_strip_model();
   int tab_count = tab_strip->count();
   ash::LauncherID shortcut_id = CreateShortcut("app1");