Convert some component source sets to static library

components/bookmarks/managed/BUILD.gn

 # Copyright 2015 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.
 
-source_set("managed") {
+static_library("managed") {
   sources = [
     "managed_bookmark_service.cc",
     "managed_bookmark_service.h",
     "managed_bookmark_util.cc",
     "managed_bookmark_util.h",
     "managed_bookmarks_tracker.cc",
     "managed_bookmarks_tracker.h",
   ]
 
   deps = [
@@ skipping 23 matching lines @@
     "//components/bookmarks/common",
     "//components/bookmarks/test",
     "//components/prefs:test_support",
     "//components/strings",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }