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..2c1ed909046120e8913a964b5dcd6ed458c535b7 100644
--- a/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
+++ b/chrome/browser/chromeos/file_manager/audio_player_browsertest.cc
@@ -57,4 +57,34 @@ IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_OpenAudioOnDrive) {
   StartTest();
 }
 
+#if defined(MEMORY_SANITIZER)
+#define MAYBE_TogglePlayState DISABLED_TogglePlayState
+#else
+#define MAYBE_TogglePlayState TogglePlayState
+#endif
+IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_TogglePlayState) {
+  set_test_case_name("togglePlayState");
+  StartTest();
+}
+
+#if defined(MEMORY_SANITIZER)
+#define MAYBE_ChangeVolumeLevel DISABLED_ChangeVolumeLevel
+#else
+#define MAYBE_ChangeVolumeLevel ChangeVolumeLevel
+#endif
+IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_ChangeVolumeLevel) {
+  set_test_case_name("changeVolumeLevel");
+  StartTest();
+}
+
+#if defined(MEMORY_SANITIZER)
+#define MAYBE_ChangeTracks DISABLED_ChangeTracks
+#else
+#define MAYBE_ChangeTracks ChangeTracks
+#endif
+IN_PROC_BROWSER_TEST_F(AudioPlayerBrowserTest, MAYBE_ChangeTracks) {
+  set_test_case_name("changeTracks");
+  StartTest();
+}
+
 }  // namespace file_manager