Disable WebViewTest.StoragePersistence

This test is flaky.

Bug: 1144228
Change-Id: If00d25d5f3115ff203c9b333c5e617a2ece63657
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2618082
Commit-Queue: Kevin McNee <mcnee@chromium.org>
Commit-Queue: James MacLean <wjmaclean@chromium.org>
Auto-Submit: Kevin McNee <mcnee@chromium.org>
Reviewed-by: James MacLean <wjmaclean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841594}

chrome/browser/apps/guest_view/web_view_browsertest.cc

@@ -2015,7 +2015,8 @@ IN_PROC_BROWSER_TEST_F(WebViewTest, CookieIsolation) {
 
 // This tests that in-memory storage partitions are reset on browser restart,
 // but persistent ones maintain state for cookies and HTML5 storage.
-IN_PROC_BROWSER_TEST_F(WebViewTest, PRE_StoragePersistence) {
+// TODO(1144228): Flaky.
+IN_PROC_BROWSER_TEST_F(WebViewTest, DISABLED_PRE_StoragePersistence) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   // We don't care where the main browser is on this test.
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
@@ -2029,7 +2030,8 @@ IN_PROC_BROWSER_TEST_F(WebViewTest, PRE_StoragePersistence) {
 
 // This is the post-reset portion of the StoragePersistence test.  See
 // PRE_StoragePersistence for main comment.
-IN_PROC_BROWSER_TEST_F(WebViewTest, StoragePersistence) {
+// TODO(1144228): Flaky.
+IN_PROC_BROWSER_TEST_F(WebViewTest, DISABLED_StoragePersistence) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   // We don't care where the main browser is on this test.
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));