Move (most of) chrome/browser/drive into components/drive/service.

components/drive/BUILD.gn

+# Copyright 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.
+
+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",
+    "drive_uploader.cc",
+    "drive_uploader.h",
+    "event_logger.cc",
+    "event_logger.h",
+    "service/drive_api_service.cc",
+    "service/drive_api_service.h",
+    "service/drive_service_interface.cc",
+    "service/drive_service_interface.h",
+  ]
+  deps = [
+    "//base:base",
+    "//components/invalidation:invalidation",
+    "//google_apis:google_apis",
+    "//net:net",
+    "//third_party/re2:re2",
+  ]
+}
+
+source_set("test_support") {
+  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",
+  ]
+}