Introduce Zucchini in chromium

chrome/installer/zucchini/zucchini_main.cc

Index: chrome/installer/zucchini/zucchini_main.cc
diff --git a/chrome/installer/zucchini/zucchini_main.cc b/chrome/installer/zucchini/zucchini_main.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3663e67ee6b3ab86194a242ed7f86f9a875cd4e7
--- /dev/null
+++ b/chrome/installer/zucchini/zucchini_main.cc
@@ -0,0 +1,7 @@
+// 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.
+
+int main(int argc, const char* argv[]) {
+  return 0;
+}