Fix bump-scroll.

remoting/webapp/client_session.js

Index: remoting/webapp/client_session.js
diff --git a/remoting/webapp/client_session.js b/remoting/webapp/client_session.js
index 13e7d7e9eeaa738bf8fd4146015f5c1a1ef242db..05e942ae7e20cddb9e9b0a22f23c771b3f91926c 100644
--- a/remoting/webapp/client_session.js
+++ b/remoting/webapp/client_session.js
@@ -1331,7 +1331,7 @@ remoting.ClientSession.prototype.onShowOptionsMenu_ = function() {
  */
 remoting.ClientSession.prototype.scroll_ = function(dx, dy) {
   var plugin = this.plugin_.element();
-  var style = plugin.style;
+  var style = this.container_.style;

[Sergey Ulanov, 2014/09/10 22:07:42]

nit: move these below where they are used.

 
   /**
    * Helper function for x- and y-scrolling
@@ -1367,8 +1367,8 @@ remoting.ClientSession.prototype.scroll_ = function(dx, dy) {
 remoting.ClientSession.prototype.resetScroll_ = function() {
   if (this.plugin_) {
     var plugin = this.plugin_.element();

[Sergey Ulanov, 2014/09/10 22:07:42]

This line can be removed now and also the if() above can be removed

-    plugin.style.marginTop = '0px';
-    plugin.style.marginLeft = '0px';
+    this.container_.style.marginTop = '0px';
+    this.container_.style.marginLeft = '0px';
   }
 };
 
@@ -1532,8 +1532,7 @@ remoting.ClientSession.prototype.updateMouseCursorImage_ =
  * @return {{top: number, left:number}} The top-left corner of the plugin.
  */
 remoting.ClientSession.prototype.getPluginPositionForTesting = function() {
-  var plugin = this.plugin_.element();
-  var style = plugin.style;
+  var style = this.container_.style;
   return {
     top: parseFloat(style.marginTop),
     left: parseFloat(style.marginLeft)