Add the USB device target to the GN build.

This also renames it to be just "usb" to make it easier to refer to, and uses the output_name to give it the more unique "device_usb" library name.

BUG=

Review URL: https://codereview.chromium.org/221493002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@261554 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 31 insertions, 0 deletions

diff --git a/device/usb/BUILD.gn b/device/usb/BUILD.gn
new file mode 100644
index 0000000..d7fa6d0
--- /dev/null
+++ b/device/usb/BUILD.gn
@@ -0,0 +1,31 @@
+# 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"
+
+static_library("usb") {
+  output_name = "device_usb"
+  sources = [
+    "usb_ids.cc",
+    "usb_ids.h",
+    generated_ids,
+  ]
+  deps = [ ":usb_device_ids" ]
+}
+
+action("usb_device_ids") {
+  script = "//tools/usb_ids/usb_ids.py"
+  source_prereqs = [ 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.
+  # TODO(brettw) uncomment this when visibility is implemented in the pushed
+  # GN binary.
+  #visibility = [ ":usb" ]
+}