Convert some component source sets to static library

components/network_hints/renderer/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.
 
 # GYP version: components/network_hints.gypi:predictor_renderer
-source_set("renderer") {
+static_library("renderer") {
   sources = [
     "dns_prefetch_queue.cc",
     "dns_prefetch_queue.h",
     "prescient_networking_dispatcher.cc",
     "prescient_networking_dispatcher.h",
     "renderer_dns_prefetch.cc",
     "renderer_dns_prefetch.h",
     "renderer_preconnect.cc",
     "renderer_preconnect.h",
   ]
@@ skipping 11 matching lines @@
   testonly = true
   sources = [
     "dns_prefetch_queue_unittest.cc",
     "renderer_dns_prefetch_unittest.cc",
   ]
   deps = [
     ":renderer",
     "//testing/gtest",
   ]
 }