Update screen rects when showing an infobar.

content/browser/renderer_host/render_widget_host_view_gtk.cc

Index: content/browser/renderer_host/render_widget_host_view_gtk.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_gtk.cc b/content/browser/renderer_host/render_widget_host_view_gtk.cc
index a6979bc639727dd91444928303bf09085bd95778..e65bd8857dc555e386becd9d65c81769fb6457d5 100644
--- a/content/browser/renderer_host/render_widget_host_view_gtk.cc
+++ b/content/browser/renderer_host/render_widget_host_view_gtk.cc
@@ -709,6 +709,7 @@ void RenderWidgetHostViewGtk::SetSize(const gfx::Size& size) {
   if (requested_size_.width() != width ||
       requested_size_.height() != height) {
     requested_size_ = gfx::Size(width, height);
+    host_->SendScreenRects();
     host_->WasResized();
   }
 }