Add host-side rate-limiting to desktop resize events.

remoting/webapp/client_plugin_async.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 that wraps low-level details of interacting with the client plugin.
  *
  * This abstracts a <embed> element and controls the plugin which does
  * the actual remoting work. It also handles differences between
@@ skipping 153 matching lines @@
       // At the moment the webapp does not recognize any of
       // 'requestedCapabilities' capabilities (so they all should be disabled)
       // and do not care about any of 'supportedCapabilities' capabilities (so
       // they all can be enabled).
       this.capabilities_ = supportedCapabilities;
 
       // Let the host know that the webapp can be requested to always send
       // the client's dimensions.
       this.capabilities_.push(
           remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION);
+
+      // Let the host know that we're interested in knowing whether or not
+      // it rate-limits desktop-resize requests.
+      this.capabilities_.push(
+          remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS);
     } else if (this.pluginApiVersion_ >= 6) {
       this.pluginApiFeatures_ = ['highQualityScaling', 'injectKeyEvent'];
     } else {
       this.pluginApiFeatures_ = ['highQualityScaling'];
     }
     this.pluginApiMinVersion_ =
         /** @type {number} */ message.data['apiMinVersion'];
     this.helloReceived_ = true;
     if (this.onInitializedCallback_ != null) {
       this.onInitializedCallback_(true);
@@ skipping 396 matching lines @@
     this.plugin.width = width;
     this.plugin.height = height;
     // Center the plugin just underneath the "Connnecting..." dialog.
     var parentNode = this.plugin.parentNode;
     var dialog = document.getElementById('client-dialog');
     var dialogRect = dialog.getBoundingClientRect();
     parentNode.style.top = (dialogRect.bottom + 16) + 'px';
     parentNode.style.left = (window.innerWidth - width) / 2 + 'px';
   }
 };