Reduce chrome.exe .text size by 50 KB with static_library

build/secondary/third_party/libjpeg_turbo/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.
 
 # Do not use the targets in this file unless you need a certain libjpeg
 # implementation. Use the meta target //third_party:jpeg instead.
 
 import("//build/config/sanitizers/sanitizers.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
@@ skipping 82 matching lines @@
     } else if (is_mac || is_ios) {
       defines += [ "MACHO" ]
       include_dirs = [ "mac" ]
     } else if (is_linux || is_android) {
       defines += [ "ELF" ]
       include_dirs = [ "linux" ]
     }
   }
 }
 
-source_set("simd") {
+static_library("simd") {
   if (current_cpu == "x86") {
     deps = [
       ":simd_asm",
     ]
     sources = [
       "simd/jsimd_i386.c",
     ]
   } else if (current_cpu == "x64") {
     deps = [
       ":simd_asm",
@@ skipping 20 matching lines @@
 
   if (is_win) {
     cflags = [ "/wd4245" ]
   }
 }
 
 config("libjpeg_config") {
   include_dirs = [ "." ]
 }
 
-source_set("libjpeg") {
+static_library("libjpeg") {
   sources = [
     "jcapimin.c",
     "jcapistd.c",
     "jccoefct.c",
     "jccolor.c",
     "jcdctmgr.c",
     "jchuff.c",
     "jchuff.h",
     "jcinit.c",
     "jcmainct.c",
@@ skipping 58 matching lines @@
   # MemorySanitizer doesn't support assembly code, so keep it disabled in
   # MSan builds for now.
   if (is_msan) {
     sources += [ "jsimd_none.c" ]
   } else {
     deps = [
       ":simd",
     ]
   }
 }