From fbff355742336179371ba728ce83e4d4111360d0 Mon Sep 17 00:00:00 2001
From: Nitish Sakhawalkar <nitsakh@icloud.com>
Date: Sun, 1 Apr 2018 20:47:00 -0700
Subject: [PATCH] Support for navigator.languages (#12419)

---
 atom/browser/api/atom_api_web_contents.cc | 6 ++++--
 spec/chromium-spec.js                     | 8 ++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index d702a8e5a131..57c6e3f8299a 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -50,6 +50,7 @@
 #include "base/values.h"
 #include "brightray/browser/inspectable_web_contents.h"
 #include "brightray/browser/inspectable_web_contents_view.h"
+#include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager_basic.h"
 #include "chrome/browser/ssl/security_state_tab_helper.h"
@@ -102,7 +103,6 @@ struct PrintSettings {
   bool print_background;
   base::string16 device_name;
 };
-
 }  // namespace
 
 namespace mate {
@@ -437,9 +437,11 @@ void WebContents::InitWithSessionAndOptions(v8::Isolate* isolate,
 
   managed_web_contents()->GetView()->SetDelegate(this);
 
+  auto* prefs = web_contents->GetMutableRendererPrefs();
+  prefs->accept_languages = g_browser_process->GetApplicationLocale();
+
 #if defined(OS_LINUX) || defined(OS_WIN)
   // Update font settings.
-  auto* prefs = web_contents->GetMutableRendererPrefs();
   CR_DEFINE_STATIC_LOCAL(const gfx::FontRenderParams, params,
       (gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), nullptr)));
   prefs->should_antialias_text = params.antialiasing;
diff --git a/spec/chromium-spec.js b/spec/chromium-spec.js
index b12450993406..05b833fae9a8 100644
--- a/spec/chromium-spec.js
+++ b/spec/chromium-spec.js
@@ -132,6 +132,14 @@ describe('chromium feature', () => {
     })
   })
 
+  describe('navigator.languages', (done) => {
+    it('should return the system locale only', () => {
+      let appLocale = app.getLocale()
+      assert.equal(navigator.languages.length, 1)
+      assert.equal(navigator.languages[0], appLocale)
+    })
+  })
+
   describe('navigator.serviceWorker', () => {
     it('should register for file scheme', (done) => {
       w = new BrowserWindow({