🐳 Move linux pkg_config() calls into separate BUILD.gn files

skia/BUILD.gn

 # Copyright (c) 2013 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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
 if (current_cpu == "mipsel" || current_cpu == "mips64el") {
   import("//build/config/mips.gni")
 }
 
 skia_support_gpu = !is_ios
 skia_support_pdf = !is_ios && (enable_basic_printing || enable_print_preview)
 
 # The list of Skia defines that are to be set for chromium.
 gypi_chromium_skia_defines =
     exec_script("//build/gypi_to_gn.py",
                 [
-                  rebase_path(
-                      "//skia/chromium_skia_defines.gypi"),
+                  rebase_path("//skia/chromium_skia_defines.gypi"),
                   "--replace=<(skia_include_path)=//third_party/skia/include",
                   "--replace=<(skia_src_path)=//third_party/skia/src",
                 ],
                 "scope",
                 [ "//skia/chromium_skia_defines.gypi" ])
 
 # The list of Skia defines that are to be set for chromium.
 gypi_skia_defines =
     exec_script("//build/gypi_to_gn.py",
                 [
@@ skipping 426 matching lines @@
 
   deps = [
     ":skia_opts",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//third_party/zlib",
   ]
 
   if (is_linux) {
     if (use_pango) {
-      configs += [ "//build/config/linux:pangocairo" ]
+      configs += [ "//build/config/linux/pangocairo" ]
     }
     deps += [
       "//build/linux:fontconfig",
       "//build/linux:freetype2",
       "//third_party/expat",
       "//third_party/icu:icuuc",
     ]
   }
 
   if (is_android) {
@@ skipping 239 matching lines @@
     ]
 
     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
       "//build/config/sanitizers:deps",
     ]
   }
 }