Scroll-bar browser test.

remoting/webapp/window_frame.css

 /* Copyright 2014 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.
  */
 
 .window-body {
   position: relative;
 }
 
 html.apps-v2,
@@ skipping 63 matching lines @@
   background-position: 2px 1px;
 }
 
 #scroller {
   height: 100%;
   width: 100%;
   overflow: auto;
   position: relative;
 }
 
-html.apps-v2 #scroller {
+html.apps-v2 .window-body {
   height: calc(100% - 32px);  /* Allow space for the title-bar */
 }
 
 /* Add an etched border to the window controls, title bar and stub */
 .window-title,
 .window-control,
 .window-controls-stub {
   position: relative;
 }
 
@@ skipping 42 matching lines @@
  * - The stub is visible.
  * - The window controls gain transition effects for position and opacity and
  *   auto-hide behind the top edge of the screen.
  * - A border is added to the window controls to ensure they stand out against
  *   any desktop.
  * - The window border is removed.
  * - The full-screen button is removed.
  */
 
 html.apps-v2 body.fullscreen #scroller {
+  overflow: hidden;
+}
+
+html.apps-v2 body.fullscreen .window-body {
   height: 100%;
-  overflow: hidden;
 }
 
 body.fullscreen .title-bar {
   border: 1px solid #a6a6a6;
 }
 
 body.fullscreen .window-title {
   display: none;
 }
 
@@ skipping 27 matching lines @@
   box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.5);
 }
 
 .fullscreen .title-bar.opened .window-controls-stub {
   background-color: #a6a6a6;
 }
 
 body.fullscreen .window-fullscreen {
   display: none;
 }