Enable runtime switching between ChromeVox and ChromeVox next via command line.

chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.js

Index: chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.js
diff --git a/chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.js b/chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.js
deleted file mode 100644
index 44f803d2a0e7c02a9ac9f04d74dab526ee286baa..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/chromeos/chromevox2/cvox2/background/background.js
+++ /dev/null
@@ -1,130 +0,0 @@
-// 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 The entry point for all ChromeVox2 related code for the
- * background page.
- */
-
-goog.provide('cvox2.Background');
-goog.provide('cvox2.global');
-
-goog.require('cvox.TabsApiHandler');
-
-/** Classic Chrome accessibility API. */
-cvox2.global.accessibility =
-    chrome.accessibilityPrivate || chrome.experimental.accessibility;
-
-/**
- * ChromeVox2 background page.
- */
-cvox2.Background = function() {
-  /**
-   * A list of site substring patterns to use with ChromeVox next. Keep these
-   * strings relatively specific.
-   * @type {!Array.<string>}
-   */
-  this.whitelist_ = ['http://www.chromevox.com/', 'chromevox_next_test'];
-
-  /** @type {cvox.TabsApiHandler} @private */
-  this.tabsHandler_ = new cvox.TabsApiHandler(cvox.ChromeVox.tts,
-                                              cvox.ChromeVox.braille,
-                                              cvox.ChromeVox.earcons);
-
-  // Only needed with unmerged ChromeVox classic loaded before.
-  cvox2.global.accessibility.setAccessibilityEnabled(false);
-
-  // Manually bind all functions to |this|.
-  for (var func in this) {
-    if (typeof(this[func]) == 'function')
-      this[func] = this[func].bind(this);
-  }
-
-  // Register listeners for ...
-  // Desktop.
-  chrome.automation.getDesktop(this.onGotTree);
-
-  // Tabs.
-  chrome.tabs.onUpdated.addListener(this.onTabUpdated);
-};
-
-cvox2.Background.prototype = {
-  /**
-   * Handles chrome.tabs.onUpdated.
-   * @param {number} tabId
-   * @param {Object} changeInfo
-   */
-  onTabUpdated: function(tabId, changeInfo) {
-    chrome.tabs.get(tabId, function(tab) {
-      if (!tab.url)
-        return;
-
-      if (!this.isWhitelisted_(tab.url)) {
-        chrome.commands.onCommand.removeListener(this.onGotCommand);
-        return;
-      }
-
-      if (!chrome.commands.onCommand.hasListeners()) {
-        chrome.commands.onCommand.addListener(this.onGotCommand);
-      }
-
-      this.disableClassicChromeVox_(tab.id);
-
-      chrome.automation.getTree(this.onGotTree.bind(this));
-    }.bind(this));
-  },
-
-  /**
-   * Handles all setup once a new automation tree appears.
-   * @param {AutomationTree} tree The new automation tree.
-   */
-  onGotTree: function(root) {
-    // Register all automation event listeners.
-    root.addEventListener(chrome.automation.EventType.focus,
-                          this.onAutomationEvent.bind(this),
-                          true);
-  },
-
-  /**
-   * A generic handler for all desktop automation events.
-   * @param {AutomationEvent} evt The event.
-   */
-  onAutomationEvent: function(evt) {
-    var output = evt.target.attributes.name + ' ' + evt.target.role;
-    cvox.ChromeVox.tts.speak(output, cvox.AbstractTts.QUEUE_MODE_FLUSH);
-    cvox.ChromeVox.braille.write(cvox.NavBraille.fromText(output));
-  },
-
-  /**
-   * Handles chrome.commands.onCommand.
-   * @param {string} command
-   */
-  onGotCommand: function(command) {
-  },
-
-  /**
-   * @private
-   * @param {string} url
-   * @return {boolean} Whether the given |url| is whitelisted.
-   */
-  isWhitelisted_: function(url) {
-    return this.whitelist_.some(function(item) {
-      return url.indexOf(item) != -1;
-    }.bind(this));
-  },
-
-  /**
-   * Disables classic ChromeVox.
-   * @param {number} tabId The tab where ChromeVox classic is running.
-   */
-  disableClassicChromeVox_: function(tabId) {
-    chrome.tabs.executeScript(
-          tabId,
-          {'code': 'try { window.disableChromeVox(); } catch(e) { }\n',
-           'allFrames': true});
-  }
-};
-
-/** @type {cvox2.Background} */
-cvox2.global.backgroundObj = new cvox2.Background();