Add more components tests to GN build.

components/visitedlink/test/BUILD.gn

Index: components/visitedlink/test/BUILD.gn
diff --git a/components/proximity_auth/logging/BUILD.gn b/components/visitedlink/test/BUILD.gn
similarity index 55%
copy from components/proximity_auth/logging/BUILD.gn
copy to components/visitedlink/test/BUILD.gn
index dbc8045d80c5fbf811625839ccc6eac90c77d129..7af6d3d88b08bbf9544a45115b636e01f2bc17e7 100644
--- a/components/proximity_auth/logging/BUILD.gn
+++ b/components/visitedlink/test/BUILD.gn
@@ -2,27 +2,18 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-source_set("logging") {
-  sources = [
-    "log_buffer.cc",
-    "log_buffer.h",
-    "logging.cc",
-    "logging.h",
-  ]
-
-  deps = [
-    "//base",
-  ]
-}
-
 source_set("unit_tests") {
   testonly = true
   sources = [
-    "logging_unittest.cc",
+    "visitedlink_unittest.cc",
   ]
 
+  configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+
   deps = [
-    "//base/test:test_support",
+    "//components/visitedlink/browser",
+    "//components/visitedlink/renderer",
+    "//content/test:test_support",
     "//testing/gtest",
   ]
 }