Store physical backing size in ViewAndroid

content/browser/web_contents/web_contents_view_android.cc

Index: content/browser/web_contents/web_contents_view_android.cc
diff --git a/content/browser/web_contents/web_contents_view_android.cc b/content/browser/web_contents/web_contents_view_android.cc
index 019975a1161bee7f39462b6cc43e1b8c7a6e4667..35314cdeff75dc4dc9d80bd5c218abddd937d5e3 100644
--- a/content/browser/web_contents/web_contents_view_android.cc
+++ b/content/browser/web_contents/web_contents_view_android.cc
@@ -401,4 +401,9 @@ bool WebContentsViewAndroid::OnTouchEvent(const ui::MotionEventAndroid& event,
   return false;  // let the children handle the actual event.
 }
 
+void WebContentsViewAndroid::OnPhysicalBackingSizeChanged() {
+  if (web_contents_->GetRenderWidgetHostView())
+    web_contents_->SendScreenRects();
+}
+
 } // namespace content