Chromevox: kill braille translator log spam.

chrome/browser/resources/chromeos/chromevox/braille/liblouis.js

 // Copyright 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.
 
 /**
  * @fileoverview JavaScript shim for the liblouis Native Client wrapper.
  */
 
 goog.provide('cvox.LibLouis');
 
@@ skipping 32 matching lines @@
 
   /**
    * Next message ID to be used. Incremented with each sent message.
    * @private {number}
    */
   this.nextMessageId_ = 1;
 };
 
 
 /**
+ * Set to {@code true} to enable debug logging of RPC messages.
+ * @type {boolean}
+ */
+cvox.LibLouis.DEBUG = false;
+
+
+/**
  * Attaches the Native Client wrapper to the DOM as a child of the provided
  * element, assumed to already be in the document.
  * @param {!Element} elem Desired parent element of the instance.
  */
 cvox.LibLouis.prototype.attachToElement = function(elem) {
   if (this.isAttached()) {
     throw Error('Instance already attached');
   }
 
   var embed = document.createElement('embed');
@@ skipping 75 matching lines @@
  */
 cvox.LibLouis.prototype.rpc_ =
     function(command, message, callback) {
   if (!this.isAttached()) {
     throw Error('Cannot send RPC: liblouis instance not loaded');
   }
   var messageId = '' + this.nextMessageId_++;
   message['message_id'] = messageId;
   message['command'] = command;
   var json = JSON.stringify(message);
-  if (goog.DEBUG) {
+  if (cvox.LibLouis.DEBUG) {
     window.console.debug('RPC -> ' + json);
   }
   this.embedElement_.postMessage(json);
   this.pendingRpcCallbacks_[messageId] = callback;
 };
 
 
 /**
  * Invoked when the Native Client instance successfully loads.
  * @param {Event} e Event dispatched after loading.
@@ skipping 14 matching lines @@
   this.detach();
 };
 
 
 /**
  * Invoked when the Native Client instance posts a message.
  * @param {Event} e Event dispatched after the message was posted.
  * @private
  */
 cvox.LibLouis.prototype.onInstanceMessage_ = function(e) {
-  if (goog.DEBUG) {
+  if (cvox.LibLouis.DEBUG) {
     window.console.debug('RPC <- ' + e.data);
   }
   var message = /** @type {!Object} */ (JSON.parse(e.data));
   var messageId = message['in_reply_to'];
   if (!goog.isDef(messageId)) {
     window.console.warn('liblouis Native Client module sent message with no ID',
         message);
     return;
   }
   if (goog.isDef(message['error'])) {
@@ skipping 124 matching lines @@
  */
 cvox.LibLouis.Translator.encodeHexString_ = function(arrayBuffer) {
   var array = new Uint8Array(arrayBuffer);
   var hex = '';
   for (var i = 0; i < array.length; i++) {
     var b = array[i];
     hex += (b < 0x10 ? '0' : '') + b.toString(16);
   }
   return hex;
 };