Move CUP to new component client_update_protocol

components/client_update_protocol/BUILD.gn

Index: components/client_update_protocol/BUILD.gn
diff --git a/components/crx_file/BUILD.gn b/components/client_update_protocol/BUILD.gn
similarity index 58%
copy from components/crx_file/BUILD.gn
copy to components/client_update_protocol/BUILD.gn
index a7494392daf8d6475069c4bb81068be889142b32..e3af8836de7ce4fc0a6ec36f8b49b64352a6414e 100644
--- a/components/crx_file/BUILD.gn
+++ b/components/client_update_protocol/BUILD.gn
@@ -1,13 +1,11 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
+# Copyright 2016 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("crx_file") {
+source_set("client_update_protocol") {
   sources = [
-    "crx_file.cc",
-    "crx_file.h",
-    "id_util.cc",
-    "id_util.h",
+    "ecdsa.cc",
+    "ecdsa.h",
   ]
 
   deps = [
@@ -19,12 +17,13 @@ source_set("crx_file") {
 source_set("unit_tests") {
   testonly = true
   sources = [
-    "id_util_unittest.cc",
+    "ecdsa_unittest.cc",
   ]
 
   deps = [
-    ":crx_file",
+    ":client_update_protocol",
     "//base",
+    "//crypto",
     "//testing/gtest",
   ]
 }