Reset bump-scroll offsets when leaving full-screen mode.

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 936 matching lines @@
   var stopX = { stop: false };
   style.marginLeft = adjustMargin(style.marginLeft, dx,
                                   window.innerWidth, plugin.width, stopX);
   var stopY = { stop: false };
   style.marginTop = adjustMargin(style.marginTop, dy,
                                  window.innerHeight, plugin.height, stopY);
   return stopX.stop && stopY.stop;
 }
 
 /**
- * Enable or disable bump-scrolling.
+ * Enable or disable bump-scrolling. When disabling bump scrolling, also reset
+ * the scroll offsets to (0, 0).
  * @private
  * @param {boolean} enable True to enable bump-scrolling, false to disable it.
  */
 remoting.ClientSession.prototype.enableBumpScroll_ = function(enable) {
   if (enable) {
     /** @type {null|function(Event):void} */
     this.onMouseMoveRef_ = this.onMouseMove_.bind(this);
     this.plugin.element().addEventListener('mousemove', this.onMouseMoveRef_,
                                            false);
   } else {
     this.plugin.element().removeEventListener('mousemove', this.onMouseMoveRef_,
                                               false);
     this.onMouseMoveRef_ = null;
+    this.plugin.element().style.marginLeft = 0;
+    this.plugin.element().style.marginTop = 0;
   }
 };
 
 /**
  * @param {Event} event The mouse event.
  * @private
  */
 remoting.ClientSession.prototype.onMouseMove_ = function(event) {
   if (this.bumpScrollTimer_) {
     window.clearTimeout(this.bumpScrollTimer_);
@@ skipping 40 matching lines @@
       var lateAdjustment = 1 + (now - expected) / timeout;
       if (!that.scroll_(lateAdjustment * dx, lateAdjustment * dy)) {
         that.bumpScrollTimer_ = window.setTimeout(
             function() { repeatScroll(now + timeout); },
             timeout);
       }
     };
     repeatScroll(new Date().getTime());
   }
 };