Plumbs through screen size and scale factor to html_viewer

components/native_viewport/platform_viewport.h

Index: components/native_viewport/platform_viewport.h
diff --git a/components/native_viewport/platform_viewport.h b/components/native_viewport/platform_viewport.h
index 3e5811928529e50bf2c30a18370d8ece50fc34f7..57fbbf2f0af585d6f9fbf4e15501223e0f7e3c38 100644
--- a/components/native_viewport/platform_viewport.h
+++ b/components/native_viewport/platform_viewport.h
@@ -25,8 +25,8 @@ class PlatformViewport {
     virtual ~Delegate() {}
 
     virtual void OnMetricsChanged(mojo::ViewportMetricsPtr metrics) = 0;
-    virtual void OnAcceleratedWidgetAvailable(
-        gfx::AcceleratedWidget widget) = 0;
+    virtual void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget,
+                                              float device_pixel_ratio) = 0;
     virtual void OnAcceleratedWidgetDestroyed() = 0;
     virtual bool OnEvent(mojo::EventPtr event) = 0;
     virtual void OnDestroyed() = 0;