Handle spaces in the name of the mini_installer.

chrome/installer/mini_installer/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.
 
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/process_version_rc_template.gni")
 import("//chrome/test/mini_installer/mini_installer_test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 45 matching lines @@
   template_file = "mini_installer_exe_version.rc.version"
   output = "$root_out_dir/mini_installer_exe_version.rc"
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
     "configuration_test.cc",
     "decompress_test.cc",
+    "mini_installer_unittest.cc",
     "mini_string_test.cc",
   ]
 
   public_deps = [
     ":lib",
   ]
   deps = [
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
@@ skipping 216 matching lines @@
     args = [
       "--out",
       "$target_name.exe",
     ]
     deps = [
       ":mini_installer",
       "//chrome/installer/test:alternate_version_generator",
     ]
   }
 }