AudioPlayer: Add UI tests.

chrome/browser/chromeos/file_manager/audio_player_browsertest.cc

Index: chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
diff --git a/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc b/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
index f75facbb5d80155ccab7dad34c24ae623fee71c9..7f41c08bb71ad372def4c9c01a0302e36aa28725 100644
--- a/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
@@ -57,4 +57,14 @@ IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_OpenAudioOnDrive) {
   StartTest();
 }
 
+#if defined(MEMORY_SANITIZER)
+#define MAYBE_ClickControlButtons DISABLED_ClickControlButtons
+#else
+#define MAYBE_ClickControlButtons ClickControlButtons
+#endif
+IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_ClickControlButtons) {
+  set_test_case_name("clickControlButtons");
+  StartTest();
+}
+
 }  // namespace file_manager