Convert some component source sets to static library

components/translate/core/browser/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/ui.gni")
 
-source_set("browser") {
+static_library("browser") {
   sources = [
     "language_state.cc",
     "language_state.h",
     "page_translated_details.h",
     "translate_accept_languages.cc",
     "translate_accept_languages.h",
     "translate_browser_metrics.cc",
     "translate_browser_metrics.h",
     "translate_client.h",
     "translate_download_manager.cc",
@@ skipping 73 matching lines @@
     "//base",
     "//components/infobars/core",
     "//components/pref_registry:test_support",
     "//components/prefs",
     "//components/translate/core/common",
     "//components/variations",
     "//net:test_support",
     "//testing/gtest",
   ]
 }