Support audio ducking and suspension in ChromeVox

chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd

Index: chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
diff --git a/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd b/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
index f78581d54f3cfde58ed53e141a820a4d9ae6d41a..24b0a496f61fab091dd3cdb6d7fa0bcf7d5b4eaf 100644
--- a/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
+++ b/chrome/browser/resources/chromeos/chromevox/strings/chromevox_strings.grd
@@ -477,6 +477,18 @@
       <message desc="An option to automatically read the page after it loads." name="IDS_CHROMEVOX_OPTIONS_AUTO_READ">
         Automatically read page after it finishes loading.
       </message>
+      <message desc="Describes the multi select option for how to play audio when ChromeVox speaks using text to speech." name="IDS_CHROMEVOX_OPTIONS_AUDIO_DESCRIPTION">
+        When playing audio...
+      </message>
+      <message desc="Sets audio playback to be at normal volume." name="IDS_CHROMEVOX_OPTIONS_AUDIO_NORMAL">
+        Play at normal volume even if ChromeVox is speaking
+      </message>
+      <message desc="An option to use audio ducking." name="IDS_CHROMEVOX_OPTIONS_AUDIO_duck">
+        Play at lower volume when ChromeVox is speaking
+      </message>
+      <message desc="An option to use audio suspension while text to speech is speaking." name="IDS_CHROMEVOX_OPTIONS_AUDIO_suspend">
+        Pause playback when ChromeVox is speaking
+      </message>
       <message desc="An option to show the cursor between characters." name="IDS_CHROMEVOX_OPTIONS_CURSOR_BETWEEN_CHARACTERS">
         Place cursor between characters when editing text (like Mac OS X).
       </message>