From e97c5ed19320a2fc34e8b71ef838d176db8bd5b0 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 20 Sep 2018 17:49:13 -0700
Subject: webview_reattach.patch

Backports https://chromium-review.googlesource.com/c/chromium/src/+/1161391
Fixes webview not working after renderer process restarted.

diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 88211169a7d7..7b2715aea2af 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -4906,6 +4906,12 @@ void WebContentsImpl::NotifyViewSwapped(RenderViewHost* old_host,
 
   view_->RenderViewHostChanged(old_host, new_host);
 
+  // If this is an inner WebContents that has swapped views, we need to reattach
+  // it to its outer WebContents.
+  if (node_.outer_web_contents())
+    ReattachToOuterWebContentsFrame();
+
+
   // Ensure that the associated embedder gets cleared after a RenderViewHost
   // gets swapped, so we don't reuse the same embedder next time a
   // RenderViewHost is attached to this WebContents.
-- 
2.17.0