Disable two tests that need to be rebaselined after Blink change.

content/browser/accessibility/dump_accessibility_tree_browsertest.cc

 // Copyright (c) 2012 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 <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 432 matching lines @@
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityModalDialogClosed) {
   RunTest(FILE_PATH_LITERAL("modal-dialog-closed.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        AccessibilityModalDialogOpened) {
   RunTest(FILE_PATH_LITERAL("modal-dialog-opened.html"));
 }
 
+// TODO(dmazzoni): rebaseline after Blink change lands.
+// http://crbug.com/347464
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
-                       AccessibilityModalDialogInIframeClosed) {
+                       DISABLED_AccessibilityModalDialogInIframeClosed) {
   RunTest(FILE_PATH_LITERAL("modal-dialog-in-iframe-closed.html"));
 }
 
 // TODO(dmazzoni): fix this test after Blink change that broke it lands.
 // http://crbug.com/353067
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        DISABLED_AccessibilityModalDialogInIframeOpened) {
   RunTest(FILE_PATH_LITERAL("modal-dialog-in-iframe-opened.html"));
 }
 
@@ skipping 47 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityUl) {
   RunTest(FILE_PATH_LITERAL("ul.html"));
 }
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest, AccessibilityWbr) {
   RunTest(FILE_PATH_LITERAL("wbr.html"));
 }
 
 }  // namespace content