Created skeleton for switch access component extension.

chrome/browser/resources/chromeos/switch_access/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.
+
+import("//build/config/features.gni")
+import("//testing/test.gni")
+import("//chrome/test/base/js2gtest.gni")
+import("//chrome/browser/resources/chromeos/chromevox/run_jsbundler.gni")
+
+assert(is_chromeos)
+
+switch_access_dir = "$root_out_dir/resources/chromeos/switch_access"
+
+group("switch_access") {
+  deps = [
+    ":switch_access_copied_files",
+    ":switch_access_guest_manifest",
+    ":switch_access_manifest",
+  ]
+}
+
+# Instead of setting up one copy target for each subdirectory, use a script
+# to copy all files.
+run_jsbundler("switch_access_copied_files") {
+  mode = "copy"
+  dest_dir = switch_access_dir
+  sources = [
+    "switch_access.js",
+  ]
+  rewrite_rules = [
+    rebase_path(".", root_build_dir) + ":",
+    rebase_path(closure_library_dir, root_build_dir) + ":closure",
+  ]
+}
+
+# TODO: refactor this into another file like generate_manifest.gni
+# to share with other extensions.
+template("manifest") {
+  version_file = "//chrome/VERSION"
+  version_script = "//build/util/version.py"
+  template_file = "manifest.json.jinja2"
+  output_file = invoker.output_file
+  key = "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"
+  action(target_name) {
+    script = "//chrome/browser/resources/chromeos/chromevox/tools/generate_manifest.py"
+    inputs = [
+      version_file,
+      version_script,
+    ]
+    sources = [
+      template_file,
+    ]
+    outputs = [
+      output_file,
+    ]
+    args = [
+      "--key=$key",
+      "--version_file=" + rebase_path(version_file, root_build_dir),
+      "--output_manifest=" + rebase_path(output_file, root_build_dir),
+    ]
+    if (defined(invoker.is_guest_manifest) && invoker.is_guest_manifest) {
+      args += [ "--is_guest_manifest=1" ]
+    }
+    args += rebase_path(sources, root_build_dir)
+  }
+}
+
+manifest("switch_access_manifest") {
+  output_file = "$switch_access_dir/manifest.json"
+}
+
+manifest("switch_access_guest_manifest") {
+  output_file = "$switch_access_dir/manifest_guest.json"
+  is_guest_manifest = true
+}