Refactor SSLClientCertificateSelector for reuse with platformKeys API.

chrome/test/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("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 
@@ skipping 223 matching lines @@
       "//chrome/browser",
       "//chrome/browser/devtools",
       "//chrome/renderer",
       "//chrome/test:test_support",
       "//chrome:resources",
       "//chrome:strings",
       "//chrome:packed_extra_resources",
       "//chrome:packed_resources",
       "//content/app/resources",
       "//crypto:platform",
+      "//crypto:test_support",
       "//google_apis:test_support",
       "//net",
       "//net:net_resources",
       "//net:test_support",
 
       #"//ppapi:ppapi_tests",  # TODO(GYP) this doesn't exist yet.
       "//skia",
       "//sync",
       "//testing/gmock",
       "//testing/gtest",
@@ skipping 1413 matching lines @@
     }
     if (use_ozone) {
       # crbug.com/354036
       sources -= [ "../browser/chromeos/events/event_rewriter_unittest.cc" ]
     }
     if (!enable_plugin_installation) {
       sources -= [ "../browser/plugins/plugin_installer_unittest.cc" ]
     }
   }
 }