Move chrome/browser/chromeos/drive/drive.proto into components/drive

components/drive/BUILD.gn

 # Copyright (c) 2015 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("//third_party/protobuf/proto_library.gni")
+
 source_set("drive") {
   sources = [
     "drive_api_util.cc",
     "drive_api_util.h",
     "drive_app_registry.cc",
     "drive_app_registry.h",
     "drive_app_registry_observer.h",
     "drive_notification_manager.cc",
     "drive_notification_manager.h",
     "drive_notification_observer.h",
@@ skipping 14 matching lines @@
     "//content/public/browser:browser",
 
     "//google_apis:google_apis",
     "//net:net",
 
     # TODO(lukasza): Remove this dependency (see DEPS file for more info).
     "//storage/browser:browser",
 
     "//third_party/re2:re2",
   ]
+  public_deps = [
+    ":proto",
+  ]
+}
+
+proto_library("proto") {
+  visibility = [ ":drive" ]
+  sources = [
+    "drive.proto",
+  ]
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "service/dummy_drive_service.cc",
     "service/dummy_drive_service.h",
     "service/fake_drive_service.cc",
     "service/fake_drive_service.h",
     "service/test_util.cc",
     "service/test_util.h",
   ]
   deps = [
     ":drive",
     "//base:base",
     "//google_apis:google_apis",
     "//net:net",
   ]
 }