Add an explicit full-screen button.

remoting/webapp/client_session.js

 // Copyright (c) 2012 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 creation and teardown of a remoting client session.
  *
  * The ClientSession class controls lifetime of the client plugin
  * object and provides the plugin with the functionality it needs to
@@ skipping 573 matching lines @@
     this.plugin_.cleanup();
     this.plugin_ = null;
   }
 
   // Delete event handlers that aren't relevent when not connected.
   this.fullScreenButton_.removeEventListener(
       'click', this.callToggleFullScreen_, false);
 
   // Leave full-screen mode, and stop listening for related events.
   var listener = this.callOnFullScreenChanged_;
-  remoting.fullscreen.syncWithMaximize(false);
   remoting.fullscreen.activate(
       false,
       function() {
         remoting.fullscreen.removeListener(listener);
       });
   if (remoting.windowFrame) {
     remoting.windowFrame.setClientSession(null);
   } else {
     remoting.toolbar.setClientSession(null);
   }
@@ skipping 372 matching lines @@
     this.setFocusHandlers_();
     this.onDesktopSizeChanged_();
     if (this.resizeToClient_) {
       var clientArea = this.getClientArea_();
       this.plugin_.notifyClientResolution(clientArea.width,
                                           clientArea.height,
                                           window.devicePixelRatio);
     }
     // Activate full-screen related UX.
     remoting.fullscreen.addListener(this.callOnFullScreenChanged_);
-    remoting.fullscreen.syncWithMaximize(true);
     if (remoting.windowFrame) {
       remoting.windowFrame.setClientSession(this);
     } else {
       remoting.toolbar.setClientSession(this);
     }
     document.body.classList.add('connected');
 
     this.container_.addEventListener('mousemove',
                                      this.updateMouseCursorPosition_,
                                      true);
@@ skipping 639 matching lines @@
  * @param {string} data Contents of the extension message.
  * @return {boolean} True if the message was recognized, false otherwise.
  */
 remoting.ClientSession.prototype.handleExtensionMessage =
     function(type, data) {
   if (this.videoFrameRecorder_) {
     return this.videoFrameRecorder_.handleMessage(type, data);
   }
   return false;
 }