Setting Accurate ScrollResult from Blink for Elastic Scroll.

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 ed759dcd8c719a96ef57d32d88d624cb19bc544c..57ac3cc57e56a2cd1996754280e726ae51544b9c 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1132,6 +1132,13 @@ void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
   settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
 
 #if defined(OS_MACOSX)
+#if !defined(OS_IOS)
+  bool set_elastic_overscroll =
+      RenderViewImpl::FromWebView(web_view)
+          ? RenderViewImpl::FromWebView(web_view)->IsElasticOverscrollEnabled()
+          : false;
+  settings->setElasticOverscrollEnabled(set_elastic_overscroll);
+#endif
   settings->setDoubleTapToZoomEnabled(true);
   web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
 #endif