Mark following tests as flaky due to an assertion failure:

chrome/browser/notifications/notifications_interactive_uitest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "net/base/net_util.h"
 #include "net/test/test_server.h"
 
 class NotificationsPermissionTest : public UITest {
  public:
   NotificationsPermissionTest() {
     dom_automation_enabled_ = true;
     show_window_ = true;
   }
 };
 
-TEST_F(NotificationsPermissionTest, TestUserGestureInfobar) {
+// Flaky, http://crbug.com/62311.
+TEST_F(NotificationsPermissionTest, FLAKY_TestUserGestureInfobar) {
   net::TestServer test_server(net::TestServer::TYPE_HTTP,
                               FilePath(FILE_PATH_LITERAL("chrome/test/data")));
   ASSERT_TRUE(test_server.Start());
 
   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
   scoped_refptr<TabProxy> tab(browser->GetActiveTab());
   ASSERT_TRUE(tab.get());
   ASSERT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
             tab->NavigateToURL(test_server.GetURL(
                 "files/notifications/notifications_request_function.html")));
   WaitUntilTabCount(1);
 
   // Request permission by calling request() while eval'ing an inline script;
   // That's considered a user gesture to webkit, and should produce an infobar.
   bool result;
   ASSERT_TRUE(tab->ExecuteAndExtractBool(
       L"",
       L"window.domAutomationController.send(request());",
       &result));
   EXPECT_TRUE(result);
 
   EXPECT_TRUE(tab->WaitForInfoBarCount(1));
 }
 
-TEST_F(NotificationsPermissionTest, TestNoUserGestureInfobar) {
+// Flaky, http://crbug.com/62311.
+TEST_F(NotificationsPermissionTest, FLAKY_TestNoUserGestureInfobar) {
   net::TestServer test_server(net::TestServer::TYPE_HTTP,
                               FilePath(FILE_PATH_LITERAL("chrome/test/data")));
   ASSERT_TRUE(test_server.Start());
 
   scoped_refptr<BrowserProxy> browser(automation()->GetBrowserWindow(0));
   ASSERT_TRUE(browser.get());
   scoped_refptr<TabProxy> tab(browser->GetActiveTab());
   ASSERT_TRUE(tab.get());
 
   // Load a page which just does a request; no user gesture should result
   // in no infobar.
   ASSERT_EQ(AUTOMATION_MSG_NAVIGATION_SUCCESS,
             tab->NavigateToURL(test_server.GetURL(
                 "files/notifications/notifications_request_inline.html")));
   WaitUntilTabCount(1);
 
   int info_bar_count;
   ASSERT_TRUE(tab->GetInfoBarCount(&info_bar_count));
   EXPECT_EQ(0, info_bar_count);
 }