Revert: electron/electron#14487 (#19011)

patches/chromium/.patches

@@ -41,7 +41,6 @@ enable_widevine.patch
 chrome_key_systems.patch
 allow_nested_error_trackers.patch
 blink_initialization_order.patch
-disable_detach_webview_frame.patch
 ssl_security_state_tab_helper.patch
 exclude-a-few-test-files-from-build.patch
 expose-net-observer-api.patch

patches/chromium/disable_detach_webview_frame.patch

@@ -1,30 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: zcbenz <zcbenz@gmail.com>
-Date: Thu, 20 Sep 2018 17:50:27 -0700
-Subject: disable_detach_webview_frame.patch
-
-Don't detach the frame for webview, we will manage the WebContents
-manually.
-This is part of the fixes for https://github.com/electron/electron/issues/14211.
-We should revisit this bug after upgrading to newer versions of Chrome,
-this patch was introduced in Chrome 66.
-
-Update(zcbenz): The bug is still in Chrome 72.
-
-diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
-index ab3be3430e2d074bbb8b4c2d5fe5a5f98baf6848..acb78da664aae9320e65ffbe3a273025723652d6 100644
---- a/content/browser/frame_host/render_frame_proxy_host.cc
-+++ b/content/browser/frame_host/render_frame_proxy_host.cc
-@@ -268,6 +268,12 @@ void RenderFrameProxyHost::BubbleLogicalScroll(
- 
- void RenderFrameProxyHost::OnDetach() {
-   if (frame_tree_node_->render_manager()->IsMainFrameForInnerDelegate()) {
-+    // Don't detach the frame for webview, we will manage the WebContents
-+    // manually.
-+    // We should revisit this bug after upgrading to newer versions of Chrome,
-+    // this patch was introduced in Chrome 66.
-+    return;
-+
-     frame_tree_node_->render_manager()->RemoveOuterDelegateFrame();
-     return;
-   }