Fix race between DPI and window size

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index c8678023dbf9240dc0e86ac1828d166e1af5880d..f2b3751df9378af54c6469a86447021d4cf42918 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -736,6 +736,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : virtual public RenderWidgetHost,
   // True when waiting for RESIZE_ACK.
   bool resize_ack_pending_;
 
+  // Set if the screen info has changed since the last time it was sent to the
+  // renderer.
+  bool renderer_screen_info_out_of_date_;
+
   // The current size of the RenderWidget.
   gfx::Size current_size_;