From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 20 Sep 2018 17:45:47 -0700
Subject: disable_hidden.patch

Electron uses this to disable background throttling for hidden windows.

diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index a6c27fe9b7f71910e7dca828b1092955b09612e0..1c01559b53d07fbdf6a6e1e74d161bc08e9ab4fa 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -818,6 +818,9 @@ void RenderWidgetHostImpl::WasHidden() {
     return;
   }
 
+  if (disable_hidden_)
+    return;
+
   RejectMouseLockOrUnlockIfNecessary(
       blink::mojom::PointerLockResult::kWrongDocument);
 
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 28f81135df6547bdc713420ffd459d5e807ef5d3..c0ea6ca4e293923f3285d01fa388c58e6ed432be 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -911,6 +911,8 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   void UpdateBrowserControlsState(cc::BrowserControlsState constraints,
                                   cc::BrowserControlsState current,
                                   bool animate);
+  // Electron: Prevents the widget from getting hidden.
+  bool disable_hidden_ = false;
 
   void StartDragging(blink::mojom::DragDataPtr drag_data,
                      const url::Origin& source_origin,
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 268533e5bd0ef599dc7ea82bb4d68fd2d814c729..f14a7c55f6db46d9684639fcac3a203af792d65a 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -625,7 +625,7 @@ void RenderWidgetHostViewAura::HideImpl() {
   DCHECK(visibility_ == Visibility::HIDDEN ||
          visibility_ == Visibility::OCCLUDED);
 
-  if (!host()->is_hidden()) {
+  if (!host()->is_hidden() && !host()->disable_hidden_) {
     host()->WasHidden();
     aura::WindowTreeHost* host = window_->GetHost();
       aura::Window* parent = window_->parent();