Index: content/browser/renderer_host/render_widget_host_view_aura.cc |
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc |
index ad9fffb58881488ee7895c078cb31e83bcbbfc2d..9871fbd140da209fe5851aab982716ad6f200635 100644 |
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc |
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc |
@@ -1610,7 +1610,7 @@ void RenderWidgetHostViewAura::OnPaint(gfx::Canvas* canvas) { |
void RenderWidgetHostViewAura::OnDeviceScaleFactorChanged( |
float device_scale_factor) { |
- if (!host_) |
+ if (!host_ || !window_->GetRootWindow()) |
return; |
UpdateScreenInfo(window_); |