Merge components/usb_service into device/usb.

device/usb/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 source_ids = "//third_party/usb_ids/usb.ids"
 generated_ids = "$target_gen_dir/usb_ids_gen.cc"
 
 source_set("usb") {
   sources = [
+    "usb_context.cc",
+    "usb_context.h",
+    "usb_device_impl.cc",
+    "usb_device_impl.h",
+    "usb_device.h",
+    "usb_device_filter.cc",
+    "usb_device_filter.h",
+    "usb_device_handle_impl.cc",
+    "usb_device_handle_impl.h",
+    "usb_device_handle.h",
+    "usb_error.cc",
+    "usb_error.h",
     "usb_ids.cc",
     "usb_ids.h",
+    "usb_interface.h",
+    "usb_interface_impl.cc",
+    "usb_interface_impl.h",
+    "usb_service.h",
+    "usb_service_impl.cc",
     generated_ids,
   ]
+
   deps = [
     ":usb_device_ids",
     "//base",
+    "//base/third_party/dynamic_annotations",
+    "//net",
+    "//third_party/libusb",
   ]
+
+  if (is_linux) {
+    configs += [ "//build/config/linux:udev" ]
+  }
 }
 
 action("usb_device_ids") {
   script = "//device/usb/tools/usb_ids.py"
   inputs = [ source_ids ]
   outputs = [ generated_ids ]
   args = [
     "-i", rebase_path(source_ids,  root_build_dir),
     "-o", rebase_path(generated_ids, root_build_dir),
   ]
 
   # Only the device_usb target can depend on us.
   visibility = [ ":usb" ]
 }