Fix for out-of-sync scale factor issue

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 68edc972456396cceee7981437090e9f02c47eb2..c89cccb81947326410e91c78089d0633fde6a131 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1101,6 +1101,11 @@ void RenderWidgetHostImpl::NotifyScreenInfoChanged() {
 }
 
 void RenderWidgetHostImpl::SetDeviceScaleFactor(float scale) {
+  // Send secreen info as well because JavaScript API |window.open|
+  // uses screen info to determine the scale factor (crbug.com/155201).
+  // TODO(oshima|thakis): Consolidate SetDeviceScaleFactor and
+  // ScreenInfoChanged.
+  NotifyScreenInfoChanged();
   Send(new ViewMsg_SetDeviceScaleFactor(GetRoutingID(), scale));
 }