Add localized default audio device names.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index ef334bab1c477c09955a2615c0d84b7f8a62c971..1037d40259d8e7e12b1f3e1ea27c865847460d09 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -15445,6 +15445,24 @@ After you create a new supervised user, you can manage their settings at any tim
       </message>
     </if>
 
+      <!-- Audio device strings. -->
+      <message name="IDS_DEFAULT_AUDIO_DEVICE_NAME" desc="Name representing the system default audio device (i.e. microphone or loudspeaker). This is typically presented to users in a drop-down list of device choices. Selecting it means the system will decide which device to use.">
+          Default
+      </message>
+      <if expr="is_win">
+        <message name="IDS_COMMUNICATIONS_AUDIO_DEVICE_NAME" desc="Name representing the system default communications audio device (i.e. microphone or loudspeaker). This is typically presented to users in a drop-down list of device choices. Selecting it means the system will decide which device to use for communications.">
+          Communications
+        </message>
+      </if>
+      <if expr="chromeos">
+        <message name="IDS_BEAMFORMING_ON_DEFAULT_AUDIO_INPUT_DEVICE_NAME" desc="Name representing the default audio input device (i.e. microphone), but with beamforming audio processing enabled. This is typically presented to users in a drop-down list of device choices. Selecting it means the system will decide which device to use, but with beamforming enabled. This will generally cause only the user in front of the device to be picked up by the microphones.">
+          Default (pick up just one person)
+        </message>
+        <message name="IDS_BEAMFORMING_OFF_DEFAULT_AUDIO_INPUT_DEVICE_NAME" desc="Name representing the default audio input device (i.e. microphone), but with beamforming audio processing disabled. This is typically presented to users in a drop-down list of device choices. Selecting it means the system will decide which device to use, but with beamforming disabled. This will generally cause everything in the vicinity to be picked up by the microphones.">
+          Default (pick up everything)
+        </message>
+      </if>
+
     </messages>
   </release>
 </grit>