From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Wed, 27 Jan 2021 15:11:19 -0800
Subject: web_contents.patch

This allows overriding the RenderViewHostDelegateView of a WebContents, which
is needed for OSR.

Originally landed in https://github.com/electron/libchromiumcontent/pull/226.

diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 3311b6110666851b3946ebf8071f210752425695..b5750a26185df8deed608e5d1bda8479d4a54aac 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -2764,6 +2764,12 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
   frame_tree_.Init(site_instance.get(), params.renderer_initiated_creation,
                    params.main_frame_name, params.is_prerendering);
 
+  if (params.view && params.delegate_view) {
+    view_.reset(params.view);
+    render_view_host_delegate_view_ = params.delegate_view;
+  }
+
+  if (!view_) {
   WebContentsViewDelegate* delegate =
       GetContentClient()->browser()->GetWebContentsViewDelegate(this);
 
@@ -2774,6 +2780,7 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {
     view_.reset(CreateWebContentsView(this, delegate,
                                       &render_view_host_delegate_view_));
   }
+  }  // !view_
   CHECK(render_view_host_delegate_view_);
   CHECK(view_.get());
 
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index b48367e41a8d4f0fa73dd33103e5eb796d8880a9..d6833aeaa09af7d0ec6937db7a1cca051aebe43e 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -87,8 +87,11 @@ class BrowserContext;
 class BrowserPluginGuestDelegate;
 class RenderFrameHost;
 class RenderViewHost;
+class RenderViewHostDelegateView;
 class RenderWidgetHostView;
+class RenderWidgetHostViewBase;
 class WebContentsDelegate;
+class WebContentsView;
 class WebUI;
 struct DropData;
 struct MHTMLGenerationParams;
@@ -228,6 +231,10 @@ class WebContents : public PageNavigator,
     // Sandboxing flags set on the new WebContents.
     network::mojom::WebSandboxFlags starting_sandbox_flags;
 
+    // Optionally specify the view and delegate view.
+    content::WebContentsView* view = nullptr;
+    content::RenderViewHostDelegateView* delegate_view = nullptr;
+
     // Value used to set the last time the WebContents was made active, this is
     // the value that'll be returned by GetLastActiveTime(). If this is left
     // default initialized then the value is not passed on to the WebContents