fix: WebUSB on ARM64 macs

patches/chromium/.patches

@@ -126,3 +126,4 @@ chore_patch_out_partition_attribute_dcheck_for_webviews.patch
 expose_v8initializer_codegenerationcheckcallbackinmainthread.patch
 chore_patch_out_profile_methods_in_profile_selections_cc.patch
 fix_x11_window_restore_minimized_maximized_window.patch
+chore_defer_usb_service_getdevices_request_until_usb_service_is.patch

patches/chromium/chore_defer_usb_service_getdevices_request_until_usb_service_is.patch

@@ -0,0 +1,23 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: John Kleinschmidt <jkleinsc@electronjs.org>
+Date: Thu, 2 Mar 2023 15:26:46 -0500
+Subject: chore: defer USB service GetDevices request until USB service is
+ ready.
+
+On macOS we need to wait until the USB service is ready before the list of
+devices is available. This should no longer be necessary if/when
+https://crbug.com/1096743 is completed.
+
+diff --git a/services/device/usb/usb_service_impl.cc b/services/device/usb/usb_service_impl.cc
+index 99456d1baa098e8a48b4a31cc8f5661586f7fc82..11d98208c85093598813897a144812c76bc67bea 100644
+--- a/services/device/usb/usb_service_impl.cc
++++ b/services/device/usb/usb_service_impl.cc
+@@ -198,7 +198,7 @@ void UsbServiceImpl::GetDevices(GetDevicesCallback callback) {
+     return;
+   }
+
+-  if (enumeration_in_progress_) {
++  if (enumeration_in_progress_ || !enumeration_ready_) {
+     pending_enumeration_callbacks_.push_back(std::move(callback));
+     return;
+   }

shell/browser/feature_list.cc

@@ -36,11 +36,6 @@ void InitializeFeatureList() {
   disable_features +=
       std::string(",") + features::kSpareRendererForSitePerProcess.name;
 
-#if BUILDFLAG(IS_MAC)
-  // Needed for WebUSB implementation
-  enable_features += std::string(",") + device::kNewUsbBackend.name;
-#endif
-
 #if !BUILDFLAG(ENABLE_PICTURE_IN_PICTURE)
   disable_features += std::string(",") + media::kPictureInPicture.name;
 #endif