Do not use overlays when VR shell is enabled.

content/browser/web_contents/web_contents_view_android.cc

 // 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.
 
 #include "content/browser/web_contents/web_contents_view_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "cc/layers/layer.h"
@@ skipping 24 matching lines @@
   // TODO(husky): Remove any system controls from availableRect.
   results->available_rect = display.work_area();
   results->device_scale_factor = display.device_scale_factor();
   results->orientation_angle = display.RotationAsDegree();
   results->orientation_type =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = display.color_depth();
   results->depth_per_component = display.depth_per_component();
   results->is_monochrome = display.is_monochrome();
+  results->is_virtual = display.is_virtual();
 }
 }
 
 // static
 void WebContentsView::GetDefaultScreenInfo(ScreenInfo* results) {
   DisplayToScreenInfo(display::Screen::GetScreen()->GetPrimaryDisplay(),
                       results);
 }
 
 // static
@@ skipping 309 matching lines @@
 // This is called when we the renderer asks us to take focus back (i.e., it has
 // iterated past the last focusable element on the page).
 void WebContentsViewAndroid::TakeFocus(bool reverse) {
   if (web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->TakeFocus(web_contents_, reverse))
     return;
   web_contents_->GetRenderWidgetHostView()->Focus();
 }
 
 } // namespace content