From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Sat, 24 Apr 2021 18:07:09 -0700
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 05f2d3dbeb8aae82cacec6c223f2defb1174151d..c0199d91e9abe6a7f2b747904a853422459caab4 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -3619,6 +3619,13 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params,
       params.main_frame_name, GetOpener(), primary_main_frame_policy,
       base::UnguessableToken::Create());
 
+  if (params.view && params.delegate_view) {
+    view_.reset(params.view);
+    render_view_host_delegate_view_ = params.delegate_view;
+  }
+
+  if (!view_) {
+
   std::unique_ptr<WebContentsViewDelegate> delegate =
       GetContentClient()->browser()->GetWebContentsViewDelegate(this);
 
@@ -3629,6 +3636,7 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params,
     view_ = CreateWebContentsView(this, std::move(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 0872a5a027bc3cbc4a52390d62001e1f871b32af..3f419f9d42b0c0683f4df9e24759b703e4d6e008 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -109,10 +109,13 @@ class BrowserContext;
 class BrowserPluginGuestDelegate;
 class RenderFrameHost;
 class RenderViewHost;
+class RenderViewHostDelegateView;
 class RenderWidgetHostView;
+class RenderWidgetHostViewBase;
 class ScreenOrientationDelegate;
 class SiteInstance;
 class WebContentsDelegate;
+class WebContentsView;
 class WebUI;
 struct DropData;
 struct MHTMLGenerationParams;
@@ -258,6 +261,10 @@ class WebContents : public PageNavigator, public base::SupportsUserData {
     network::mojom::WebSandboxFlags starting_sandbox_flags =
         network::mojom::WebSandboxFlags::kNone;
 
+    // Optionally specify the view and delegate view.
+    raw_ptr<content::WebContentsView> view = nullptr;
+    raw_ptr<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