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

chrome/browser/resources/hotword_helper/manager.js

 // Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 'use strict';
 
 /**
  * @fileoverview This extension manages communications between Chrome,
  * Google.com pages and the Chrome Hotword extension.
  *
@@ skipping 31 matching lines @@
 
 
 /**
  * Commands sent from the page to this content script.
  * @enum {string}
  */
 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',
 };
 
 
 /**
  * Handles a tab being activated / focused on.
  * @param {{tabId: number}} info Information about the activated tab.
  * @private
  */
 OptInManager.prototype.handleActivatedTab_ = function(info) {
   chrome.tabs.get(info.tabId, this.preInjectTab_.bind(this));
@@ skipping 87 matching lines @@
         chrome.hotwordPrivate.setEnabled(true);
         this.preInjectTab_(sender.tab);
       }
     }
     // User has explicitly clicked 'no thanks'.
     if (request.type === OptInManager.CommandFromPage.CLICKED_NO_OPTIN) {
       if (chrome.hotwordPrivate && chrome.hotwordPrivate.setEnabled) {
         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});
+      }
+    }
   }
 };
 
 
 /**
  * Determines if a URL is eligible for hotwording. For now, the
  * valid pages are the Google HP and SERP (this will include the NTP).
  * @param {string} url Url to check.
  * @return {boolean} True if url is eligible hotword url.
  */
@@ skipping 32 matching lines @@
   chrome.runtime.onMessage.addListener(this.handleMessage_.bind(this));
 
   if (chrome.hotwordPrivate && chrome.hotwordPrivate.onEnabledChanged) {
     chrome.hotwordPrivate.onEnabledChanged.addListener(
         this.handleEnabledChange_.bind(this));
   }
 };
 
 
 new OptInManager().initialize();