[Webapp Refactor] Move key injection logic into the plugin layer.

remoting/webapp/base/js/application.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
  * Interface abstracting the Application functionality.
  */
 
 'use strict';
@@ skipping 162 matching lines @@
  *     if necessary.
  */
 remoting.Application.prototype.getSessionConnector = function() {
   // TODO(garykac): Check if this can be initialized in the ctor.
   if (!this.sessionConnector_) {
     this.sessionConnector_ = remoting.SessionConnector.factory.createConnector(
         document.getElementById('client-container'),
         this.onConnected.bind(this),
         this.onError.bind(this),
         this.onConnectionFailed.bind(this),
-        this.appCapabilities_,
-        this.delegate_.getDefaultRemapKeys());
+        this.appCapabilities_);
   }
   return this.sessionConnector_;
 };
 
 /**
  * Callback function called when the state of the client plugin changes. The
  * current and previous states are available via the |state| member variable.
  *
  * @param {remoting.ClientSession.StateEvent=} state
  * @private
@@ skipping 65 matching lines @@
  * @param {!remoting.Error} error The failure reason.
  */
 remoting.Application.Delegate.prototype.signInFailed = function(error) {};
 
 /**
  * @return {string} Application product name to be used in UI.
  */
 remoting.Application.Delegate.prototype.getApplicationName = function() {};
 
 /**
- * @return {string} The default remap keys for the current platform.
- */
-remoting.Application.Delegate.prototype.getDefaultRemapKeys = function() {};
-
-/**
  * Called when a new session has been connected.
  *
  * @param {remoting.ConnectionInfo} connectionInfo
  * @return {void} Nothing.
  */
 remoting.Application.Delegate.prototype.handleConnected = function(
     connectionInfo) {};
 
 /**
  * Called when the current session has been disconnected.
@@ skipping 33 matching lines @@
  * Perform any application-specific cleanup before exiting. This is called in
  * lieu of start() if the user declines the app permissions, and will usually
  * be called immediately prior to exiting, although delegates should not rely
  * on this.
  */
 remoting.Application.Delegate.prototype.handleExit = function() {};
 
 
 /** @type {remoting.Application} */
 remoting.app = null;