Clear the 'has_scrolled_node_into_rect' flag on viewport resize.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index bea25aa22d9138c05f0bafac7c0123fe1fdb3237..22ac168db9ce6230a8c1dc5c4f1d84b9071e9237 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -3095,7 +3095,12 @@ void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
     UpdateScrollState(webview()->mainFrame());
   }
 
+  gfx::Size old_visible_viewport_size = visible_viewport_size_;
+
   RenderWidget::OnResize(params);
+
+  if (old_visible_viewport_size != visible_viewport_size_)
+    has_scrolled_focused_editable_node_into_rect_ = false;
 }
 
 void RenderViewImpl::DidInitiatePaint() {