[Easy Unlock] Add a convenience test target for rapid iteration.

BUG=none
TEST=none
R=tengs@chromium.org

Review URL: https://codereview.chromium.org/592353003

Cr-Commit-Position: refs/heads/master@{#296544}

components/proximity_auth/BUILD.gn

@@ -38,3 +38,15 @@ source_set("unit_tests") {
     "//testing/gtest",
   ]
 }
+
+# Note: This is a convenience target for ease of rapid iteration during
+# development. It is not executed on any try or build bots.
+test("proximity_auth_unittests") {
+  sources = [
+    "run_all_unittests.cc",
+  ]
+  
+  deps = [
+    ":unit_tests",
+  ]
+}

components/proximity_auth/run_all_unittests.cc

+// 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.
+
+#include "base/bind.h"
+#include "base/test/launcher/unit_test_launcher.h"
+#include "base/test/test_suite.h"
+
+int main(int argc, char** argv) {
+  base::TestSuite test_suite(argc, argv);
+  return base::LaunchUnitTests(argc,
+                               argv,
+                               base::Bind(&base::TestSuite::Run,
+                                          base::Unretained(&test_suite)));
+}