Convert third_party source sets to static libraries.

third_party/qcms/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.
 
 config("qcms_config") {
   include_dirs = [ "src" ]
 }
 
 # Do not build QCMS on Android or iOS. (See http://crbug.com/577155)
 disable_qcms = is_android || is_ios
 
-source_set("qcms") {
+static_library("qcms") {
   if (disable_qcms) {
     sources = [
       "src/empty.c",
     ]
   } else {
     sources = [
       "src/chain.c",
       "src/chain.h",
       "src/iccread.c",
       "src/matrix.c",
@@ skipping 45 matching lines @@
       "//build/config/sanitizers:deps",
       "//build/win:default_exe_manifest",
       "//third_party/qcms",
     ]
 
     configs -= [ "//build/config/compiler:chromium_code" ]
     configs += [ "//build/config/compiler:no_chromium_code" ]
     public_configs = [ ":qcms_config" ]
   }
 }