Possible workaround for bug with loading pages in a background tab

chrome/browser/renderer_host/render_widget_host_view_views.cc

 // Copyright (c) 2011 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 967 matching lines @@
 
 #if defined(OS_POSIX)
 void RenderWidgetHostViewViews::GetDefaultScreenInfo(
     WebKit::WebScreenInfo* results) {
   NOTIMPLEMENTED();
 }
 
 void RenderWidgetHostViewViews::GetScreenInfo(WebKit::WebScreenInfo* results) {
 #if !defined(USE_AURA)
   views::Widget* widget = GetWidget() ? GetWidget()->GetTopLevelWidget() : NULL;
-  if (widget)
+  if (widget && widget->GetNativeView())
     content::GetScreenInfoFromNativeWindow(widget->GetNativeView()->window,
                                            results);
+  else
+    RenderWidgetHostView::GetDefaultScreenInfo(results);
+#else
+  RenderWidgetHostView::GetDefaultScreenInfo(results);
 #endif
 }
 
 gfx::Rect RenderWidgetHostViewViews::GetRootWindowBounds() {
   views::Widget* widget = GetWidget() ? GetWidget()->GetTopLevelWidget() : NULL;
   return widget ? widget->GetWindowScreenBounds() : gfx::Rect();
 }
 #endif
 
 #if !defined(TOUCH_UI) && !defined(OS_WIN)
 gfx::PluginWindowHandle RenderWidgetHostViewViews::GetCompositingSurface() {
   // TODO(oshima): The original implementation was broken as
   // GtkNativeViewManager doesn't know about NativeWidgetGtk. Figure
   // out if this makes sense without compositor. If it does, then find
   // out the right way to handle.
   NOTIMPLEMENTED();
   return gfx::kNullPluginWindow;
 }
 #endif
 
 #if defined(USE_AURA)
 // static
 RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget(
     RenderWidgetHost* widget) {
   return new RenderWidgetHostViewViews(widget);
 }
 #endif