fix: UtilityProcess.fork before app ready

shell/browser/browser_process_impl.cc

@@ -93,7 +93,7 @@ BuildState* BrowserProcessImpl::GetBuildState() {
   return nullptr;
 }
 
-void BrowserProcessImpl::PostEarlyInitialization() {
+void BrowserProcessImpl::PreEarlyInitialization() {
   PrefServiceFactory prefs_factory;
   auto pref_registry = base::MakeRefCounted<PrefRegistrySimple>();
   PrefProxyConfigTrackerImpl::RegisterPrefs(pref_registry.get());
@@ -126,7 +126,7 @@ void BrowserProcessImpl::PreCreateThreads() {
   // Must be created before the IOThread.
   // Once IOThread class is no longer needed,
   // this can be created on first use.
-  if (!SystemNetworkContextManager::GetInstance())
+  if (!SystemNetworkContextManager::HasInstance())
     SystemNetworkContextManager::CreateInstance(local_state_.get());
 }
 

shell/browser/browser_process_impl.h

@@ -52,7 +52,7 @@ class BrowserProcessImpl : public BrowserProcess {
   static void ApplyProxyModeFromCommandLine(ValueMapPrefStore* pref_store);
 
   BuildState* GetBuildState() override;
-  void PostEarlyInitialization();
+  void PreEarlyInitialization();
   void PreCreateThreads();
   void PreMainMessageLoopRun();
   void PostDestroyThreads() {}

shell/browser/electron_browser_client.cc

@@ -999,6 +999,10 @@ void ElectronBrowserClient::OnNetworkServiceCreated(
   if (!g_browser_process)
     return;
 
+  if (!SystemNetworkContextManager::HasInstance())
+    SystemNetworkContextManager::CreateInstance(
+        g_browser_process->local_state());
+
   g_browser_process->system_network_context_manager()->OnNetworkServiceCreated(
       network_service);
 }

shell/browser/electron_browser_main_parts.cc

@@ -223,6 +223,9 @@ int ElectronBrowserMainParts::PreEarlyInitialization() {
   ui::ColorProviderManager::Get().AppendColorProviderInitializer(
       base::BindRepeating(AddChromeColorMixers));
 
+  // Initialize after user script environment creation.
+  fake_browser_process_->PreEarlyInitialization();
+
   return GetExitCode();
 }
 
@@ -276,9 +279,6 @@ void ElectronBrowserMainParts::PostEarlyInitialization() {
   // and/or user data directory.
   logging::InitElectronLogging(*base::CommandLine::ForCurrentProcess(),
                                /* is_preinit = */ false);
-
-  // Initialize after user script environment creation.
-  fake_browser_process_->PostEarlyInitialization();
 }
 
 int ElectronBrowserMainParts::PreCreateThreads() {

shell/browser/net/system_network_context_manager.cc

@@ -214,8 +214,20 @@ SystemNetworkContextManager* SystemNetworkContextManager::CreateInstance(
   return g_system_network_context_manager;
 }
 
+// static
+bool SystemNetworkContextManager::HasInstance() {
+  return !!g_system_network_context_manager;
+}
+
 // static
 SystemNetworkContextManager* SystemNetworkContextManager::GetInstance() {
+  if (!g_system_network_context_manager) {
+    // Initialize the network service, which will trigger
+    // ElectronBrowserClient::OnNetworkServiceCreated(), which calls
+    // CreateInstance() to initialize |g_system_network_context_manager|.
+    content::GetNetworkService();
+  }
+
   return g_system_network_context_manager;
 }
 
@@ -223,6 +235,7 @@ SystemNetworkContextManager* SystemNetworkContextManager::GetInstance() {
 void SystemNetworkContextManager::DeleteInstance() {
   DCHECK(g_system_network_context_manager);
   delete g_system_network_context_manager;
+  g_system_network_context_manager = nullptr;
 }
 
 // c.f.

shell/browser/net/system_network_context_manager.h

@@ -41,11 +41,16 @@ class SystemNetworkContextManager {
   SystemNetworkContextManager& operator=(const SystemNetworkContextManager&) =
       delete;
 
+  // Checks if the global SystemNetworkContextManager has been created.
+  static bool HasInstance();
+
   // Creates the global instance of SystemNetworkContextManager. If an
   // instance already exists, this will cause a DCHECK failure.
   static SystemNetworkContextManager* CreateInstance(PrefService* pref_service);
 
-  // Gets the global SystemNetworkContextManager instance.
+  // Gets the global SystemNetworkContextManager instance. If it has not been
+  // created yet, NetworkService is called, which will cause the
+  // SystemNetworkContextManager to be created.
   static SystemNetworkContextManager* GetInstance();
 
   // Destroys the global SystemNetworkContextManager instance.