Disable ChromeVoxStickyMode test under MSAN.

chrome/browser/chromeos/accessibility/spoken_feedback_browsertest.cc

 // Copyright 2014 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 <queue>
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/common/accessibility_types.h"
 #include "ash/shell.h"
@@ skipping 549 matching lines @@
   EXPECT_EQ("Start selection", speech_monitor_.GetNextUtterance());
   EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
   EXPECT_EQ(", selected", speech_monitor_.GetNextUtterance());
 
   // Press again to end the selection.
   SendKeyPressWithSearchAndShift(ui::VKEY_S);
   EXPECT_EQ("End selection", speech_monitor_.GetNextUtterance());
   EXPECT_EQ("Title", speech_monitor_.GetNextUtterance());
 }
 
+#if defined(MEMORY_SANITIZER)
+// Fails under MemorySanitizer: http://crbug.com/628060
+#define MAYBE_ChromeVoxStickyMode DISABLED_ChromeVoxStickyMode
+#else
+#define MAYBE_ChromeVoxStickyMode ChromeVoxStickyMode
+#endif
 IN_PROC_BROWSER_TEST_P(SpokenFeedbackTest, ChromeVoxStickyMode) {
   LoadChromeVoxAndThenNavigateToURL(
       GURL("data:text/html;charset=utf-8,"
            "<label>Enter your name <input autofocus></label>"
            "<p>One</p>"
            "<h2>Two</h2>"));
   while (speech_monitor_.GetNextUtterance() != "Enter your name") {
   }
   EXPECT_EQ("Edit text", speech_monitor_.GetNextUtterance());
 
@@ skipping 168 matching lines @@
   ASSERT_TRUE(ui_test_utils::SendKeyPressToWindowSync(
       window, ui::VKEY_TAB, false, true /*shift*/, false, false));
   while (speech_monitor_.GetNextUtterance() != "Select your language:") {
   }
   EXPECT_EQ("English ( United States)", speech_monitor_.GetNextUtterance());
   EXPECT_TRUE(base::MatchPattern(speech_monitor_.GetNextUtterance(),
                                  "Combo box * of *"));
 }
 
 }  // namespace chromeos