[Hotword] Update helper extension to listen for change to audio logging preference.

chrome/browser/resources/hotword_helper/manager.js

Index: chrome/browser/resources/hotword_helper/manager.js
diff --git a/chrome/browser/resources/hotword_helper/manager.js b/chrome/browser/resources/hotword_helper/manager.js
index ba0ee5cbb0898611d490209a36eed84080ca2787..07428fc52a836f367f5275f954931a24dac280c8 100644
--- a/chrome/browser/resources/hotword_helper/manager.js
+++ b/chrome/browser/resources/hotword_helper/manager.js
@@ -49,7 +49,11 @@ OptInManager.CommandFromPage = {
   // User has explicitly clicked 'no'.
   CLICKED_NO_OPTIN: 'hcno',
   // User has opted in.
-  CLICKED_OPTIN: 'hco'
+  CLICKED_OPTIN: 'hco',
+  // Audio logging is opted in.
+  AUDIO_LOGGING_ON: 'alon',
+  // Audio logging is opted out.
+  AUDIO_LOGGING_OFF: 'aloff',
 };
 
 
@@ -157,6 +161,25 @@ OptInManager.prototype.handleMessage_ = function(
         chrome.hotwordPrivate.setEnabled(false);
       }
     }
+    // Information regarding the audio logging preference was sent.
+    if (request.type === OptInManager.CommandFromPage.AUDIO_LOGGING_ON) {
+      if (chrome.hotwordPrivate &&
+          chrome.hotwordPrivate.setAudioLoggingEnabled) {
+        chrome.hotwordPrivate.setAudioLoggingEnabled(true);
+        chrome.runtime.sendMessage(
+            OptInManager.HOTWORD_EXTENSION_ID_,
+            {'cmd': OptInManager.CommandFromHelper.AUDIO_LOGGING_ON});
+      }
+    }
+    if (request.type === OptInManager.CommandFromPage.AUDIO_LOGGING_OFF) {
+      if (chrome.hotwordPrivate &&
+          chrome.hotwordPrivate.setAudioLoggingEnabled) {
+        chrome.hotwordPrivate.setAudioLoggingEnabled(false);
+        chrome.runtime.sendMessage(
+            OptInManager.HOTWORD_EXTENSION_ID_,
+            {'cmd': OptInManager.CommandFromHelper.AUDIO_LOGGING_OFF});
+      }
+    }
   }
 };