GN Windows build fixes

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")
 if (cpu_arch == "arm") {
   import("//build/config/arm.gni")
 }
 
 skia_support_gpu = !is_ios
 skia_support_pdf = !is_ios && enable_printing != 0
 
 # The list of Skia files is kept in skia_gn_files.gypi. Read it.
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
@@ skipping 235 matching lines @@
       "//third_party/skia/src/ports/SkTLS_pthread.cpp",
       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
       "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
     ]
   } else {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_win.cpp",
       "//third_party/skia/src/ports/SkFontHost_win_dw.cpp",
       "//third_party/skia/src/ports/SkFontMgr_default_gdi.cpp",
       "//third_party/skia/src/ports/SkOSFile_win.cpp",
-      "//third_party/skia/src/ports/SkThread_win.cpp",
       "//third_party/skia/src/ports/SkTLS_win.cpp",
       "//third_party/skia/src/utils/SkThreadUtils_win.cpp",
     ]
   }
   if (!is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontConfigInterface_android.cpp",
       "//third_party/skia/src/ports/SkFontConfigParser_android.cpp",
     ]
   }
   if (!is_mac) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_mac.cpp",
       "//third_party/skia/src/utils/SkThreadUtils_pthread_mach.cpp",
     ]
   }
   if (!is_linux) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
       "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
       "//third_party/skia/src/ports/SkFontHost_linux.cpp",
+      "//third_party/skia/src/utils/SkThreadUtils_pthread_linux.cpp",
     ]
   } else if (!is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
       "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
     ]
   }
+  if (!is_posix) {
+    sources -= [
+      "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
+    ]
+  }
+
+  if (!use_cairo) {
+    sources -= [
+      "ext/bitmap_platform_device_cairo.cc",
+      "ext/bitmap_platform_device_cairo.h",
+    ]
+  }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_library_config",
     "//build/config/compiler:no_chromium_code"
   ]
   direct_dependent_configs = [ ":skia_config" ]
 
   deps = [
     ":skia_opts",
@@ skipping 53 matching lines @@
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     "//build/config/compiler:no_chromium_code"
   ]
 
   # TODO(brettw) uncomment when visibility is supported.
   #visibility = ":skia"
 }