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 88f3f7603431d6c64e483fc7e836f4d6d2cd099c..718bbe30cdcd6f5a0118e9b9f71a26762fcd2b32 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -711,6 +711,9 @@ 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 20aaa6fee4db490f4e337ce724a4dc8e117c2066..a1b4fe9dd9c69209291741cc2b3a92ad20a097d9 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -850,6 +850,9 @@ 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 bef783530231bf2a0e402f2aa4d1ebf0b3199b6f..5cf5e0abe59afbe54bd4faeba5c59617ec0477b6 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -595,7 +595,7 @@ 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();