Disable flaky test on linux

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index a29ede131f5bccb1464965a03210d799f91461d9..92be0125f9f916f2e0e0b4348ed1f85f2b124988 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -1724,8 +1724,9 @@ IN_PROC_BROWSER_TEST_P(WebViewTest, IndexedDBIsolation) {
 // This test ensures that closing app window on 'loadcommit' does not crash.
 // The test launches an app with guest and closes the window on loadcommit. It
 // then launches the app window again. The process is repeated 3 times.
-// http://crbug.com/291278
-#if defined(OS_WIN) || defined(MAC_OS_X_VERSION_10_9)
+// https://crbug.com/291278
+// https://crbug.com/619148
+#if defined(OS_WIN) || defined(MAC_OS_X_VERSION_10_9) || defined(OS_LINUX)
 #define MAYBE_CloseOnLoadcommit DISABLED_CloseOnLoadcommit
 #else
 #define MAYBE_CloseOnLoadcommit CloseOnLoadcommit