Fix official build in GN

components/data_reduction_proxy/core/common/BUILD.gn

 # Copyright 2014 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("//components/data_reduction_proxy/core/common/version.gni")
+import("//chrome/version.gni")
 
 static_library("common") {
   sources = [
     "data_reduction_proxy_bypass_type_list.h",
     "data_reduction_proxy_event_store.cc",
     "data_reduction_proxy_event_store.h",
     "data_reduction_proxy_headers.cc",
     "data_reduction_proxy_headers.h",
     "data_reduction_proxy_params.cc",
     "data_reduction_proxy_params.h",
@@ skipping 46 matching lines @@
     ":common",
     ":test_support",
     "//base",
     "//base/test:test_support",
     "//net:test_support",
     "//testing/gtest",
   ]
 }
 
 process_version("version_header") {
-  source = "version.h.in"
+  template_file = "version.h.in"
   output = "$target_gen_dir/version.h"
 }