Hack webapp to request keyboard events on connection.

remoting/webapp/crd/js/desktop_connected_view.js

 // Copyright 2015 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
  * Class handling user-facing aspects of the client session.
  */
 
 'use strict';
@@ skipping 386 matching lines @@
     if (remoting.optionsMenu) {
       remoting.optionsMenu.setDesktopConnectedView(null);
     }
 
     document.body.classList.remove('connected');
     this.container_.removeEventListener(
         'mousemove', this.updateMouseCursorPosition_, true);
     // Stop listening for full-screen events.
     remoting.fullscreen.removeListener(this.callOnFullScreenChanged_);
 
+    // Disable keyboard events.
+    chrome.app.window.current().setInterceptAllKeys(false);
   } else {
     if (remoting.windowFrame) {
       remoting.windowFrame.setDesktopConnectedView(this);
     }
     if (remoting.toolbar) {
       remoting.toolbar.setDesktopConnectedView(this);
     }
     if (remoting.optionsMenu) {
       remoting.optionsMenu.setDesktopConnectedView(this);
     }
 
     if (this.getResizeToClient()) {
       this.notifyClientResolution_();
     }
 
+    // Enable keyboard events.
+    chrome.app.window.current().setInterceptAllKeys(true);
+
     document.body.classList.add('connected');
     this.container_.addEventListener(
         'mousemove', this.updateMouseCursorPosition_, true);
     // Activate full-screen related UX.
     remoting.fullscreen.addListener(this.callOnFullScreenChanged_);
     this.onDesktopSizeChanged_();
     this.setFocusHandlers_();
   }
 };
 
@@ skipping 614 matching lines @@
  * @param {Object} message The parsed extension message data.
  * @return {boolean} True if the message was recognized, false otherwise.
  */
 remoting.DesktopConnectedView.prototype.handleExtensionMessage =
     function(type, message) {
   if (this.videoFrameRecorder_) {
     return this.videoFrameRecorder_.handleMessage(type, message);
   }
   return false;
 };