Remove unused keyboard_mojo.js

ui/keyboard/resources/keyboard_mojo.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.
-var connection;
-var mojo_api;
-var input_focused_event;
-
-if (!chrome.virtualKeyboardPrivate) {
-  define('main', [
-      'mojo/public/js/connection',
-      'ui/keyboard/webui/keyboard.mojom',
-      'content/public/renderer/service_provider',
-  ], function(connector, keyboard, serviceProvider) {
-    'use strict';
-    function TextInputTypeObserverImpl(kbd) {
-      console.log('Creating TextInputTypeObserverImpl');
-      this.keyboard_ = kbd;
-      mojo_api = this;
-      mojo_api.setTextInputTypeObserver(
-          connection.bindImpl(this, keyboard.TextInputTypeObserver));
-    }
-
-    TextInputTypeObserverImpl.prototype = Object.create(
-        keyboard.KeyboardAPI.stubClass.prototype);
-
-    TextInputTypeObserverImpl.prototype.onTextInputTypeChanged =
-        function(input_type) {
-      console.log('Text input changed: ' + input_type);
-      input_focused_event.forEach(function(listener) {
-        listener({type: input_type});
-      });
-    };
-
-    return function() {
-      const KBDApi = keyboard.KeyboardUIHandlerMojo;
-      new TextInputObserverImpl(connection.bindHandleToProxy(
-            serviceProvider.connectToService(KBDApi.name),
-            KBDApi));
-    };
-  });
-
-  chrome.virtualKeyboardPrivate = {};
-  chrome.virtualKeyboardPrivate.sendKeyEvent = function(event) {
-    if (!mojo_api)
-      return;
-    console.log('sending key event: ' + event.type);
-    mojo_api.keyboard_.sendKeyEvent(event.type,
-                               event.charValue,
-                               event.keyCode,
-                               event.keyName,
-                               event.modifiers);
-  };
-  chrome.virtualKeyboardPrivate.hideKeyboard = function() {
-    if (!mojo_api)
-      return;
-    mojo_api.keyboard_.hideKeyboard();
-  };
-  chrome.virtualKeyboardPrivate.moveCursor = function() {};
-  chrome.virtualKeyboardPrivate.lockKeyboard = function() {};
-  chrome.virtualKeyboardPrivate.keyboardLoaded = function() {};
-  chrome.virtualKeyboardPrivate.getKeyboardConfig = function(callback) {
-    callback({
-      layout: 'qwerty',
-      a11ymode: false,
-      experimental: false,
-      features: []
-    });
-  };
-
-  function BrowserEvent() {
-    this.listeners_ = [];
-  };
-
-  BrowserEvent.prototype.addListener = function(callback) {
-    this.listeners_.push(callback);
-  };
-
-  BrowserEvent.prototype.forEach = function(callback) {
-    for (var i = 0; i < this.listeners_.length; ++i)
-      callback(this.listeners_[i]);
-  };
-
-  input_focused_event = new BrowserEvent;
-  chrome.virtualKeyboardPrivate.onTextInputBoxFocused = input_focused_event;
-}