electron/patches/chromium/disable_hidden.patch

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 75d7780ab829ec817d8f956fc1cef3d161849179..c4db072350e60db8323e9d275a28222ac9d18b3e 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -709,6 +709,9 @@ void RenderWidgetHostImpl::WasHidden() {
   if (is_hidden_)
     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 25b10d1d867a7d4052e0daba7b83f62e4e522638..1d7a6bf0994b6529a42b3db505cd28fd33fe579a 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -834,6 +834,9 @@ class CONTENT_EXPORT RenderWidgetHostImpl
   mojom::CreateFrameWidgetParamsPtr
   BindAndGenerateCreateFrameWidgetParamsForNewWindow();
 
+  // Electron: Prevents the widget from getting hidden.
+  bool disable_hidden_ = false;
+
  protected:
   // |routing_id| must not be MSG_ROUTING_NONE.
   // If this object outlives |delegate|, DetachDelegate() must be called when
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 351e15aeabf320951681646251a04802cda79bde..60263de834e57311ba1e506f6a3eed104a550792 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -597,7 +597,7 @@ 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();