Download driver for components/download.

components/download/content/BUILD.gn

+# Copyright 2017 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.
+
+if (is_android) {
+  import("//build/config/android/config.gni")
+  import("//build/config/android/rules.gni")
+}
+
+source_set("content") {
+  sources = [
+    "download_driver_impl.cc",
+    "download_driver_impl.h",
+  ]
+
+  public_deps = [
+    "//components/download/internal",
+    "//components/download/public",
+  ]
+
+  deps = [
+    "//base",
+    "//content/public/browser",
+    "//net",
+    "//url",
+  ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+
+  sources = [
+    "download_driver_impl_unittest.cc",
+  ]
+
+  deps = [
+    ":content",
+    "//content/test:test_support",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+}