[Zucchini] Generic suffix array algorithms.

chrome/installer/zucchini/BUILD.gn

 # 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.
 
 import("//chrome/process_version_rc_template.gni")
 import("//testing/test.gni")
 
 executable("zucchini") {
   sources = [
     "zucchini_main.cc",
   ]
 
   deps = []
 
   if (is_win) {
     deps += [ ":zucchini_exe_version" ]
   }
 }
 
 if (is_win) {
   process_version_rc_template("zucchini_exe_version") {
     template_file = "zucchini_exe_version.rc.version"
     output = "$target_gen_dir/zucchini_exe_version.rc"
   }
 }
 
 test("zucchini_unittests") {
-  sources = []
+  sources = [
+    "suffix_array_unittest.cc",
+  ]
 
   deps = [
+    "//base",
     "//base/test:run_all_unittests",
+    "//base/test:test_support",
+    "//testing/gtest",
   ]
 }