Plumbing blink::Interface{Provider|Registry} through WebLocalFrame's constructor.

components/plugins/renderer/webview_plugin.cc

Index: components/plugins/renderer/webview_plugin.cc
diff --git a/components/plugins/renderer/webview_plugin.cc b/components/plugins/renderer/webview_plugin.cc
index 0e57baa5d2b71f75aa6b69584f15de28eb936e54..075515a0779ff784b51c27f377e22cf38aba4a59 100644
--- a/components/plugins/renderer/webview_plugin.cc
+++ b/components/plugins/renderer/webview_plugin.cc
@@ -254,7 +254,7 @@ WebViewPlugin::WebViewHelper::WebViewHelper(
   // consistent view of our preferences.
   content::RenderView::ApplyWebPreferences(preferences, web_view_);
   WebLocalFrame* web_frame = WebLocalFrame::create(
-      blink::WebTreeScopeType::Document, this);
+      blink::WebTreeScopeType::Document, this, nullptr, nullptr);
   web_view_->setMainFrame(web_frame);
   // TODO(dcheng): The main frame widget currently has a special case.
   // Eliminate this once WebView is no longer a WebWidget.