Change skia build files to use a utils.gypi instead of hardcoded 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")
 if (cpu_arch == "arm") {
   import("//build/config/arm.gni")
 }
 
@@ skipping 38 matching lines @@
 
 # The list of Skia effects that are to be set for chromium.
 gypi_skia_effects = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("//third_party/skia/gyp/effects.gypi"),
       "--replace=<(skia_include_path)=//third_party/skia/include",
       "--replace=<(skia_src_path)=//third_party/skia/src" ],
     "scope",
     [ "//third_party/skia/gyp/effects.gypi" ])
 
+# The list of Skia utilss that are to be set for chromium.
+gypi_skia_utils = exec_script(
+    "//build/gypi_to_gn.py",
+    [ rebase_path("//third_party/skia/gyp/utils.gypi"),
+      "--replace=<(skia_include_path)=//third_party/skia/include",
+      "--replace=<(skia_src_path)=//third_party/skia/src" ],
+    "scope",
+    [ "//third_party/skia/gyp/utils.gypi" ])
+
 # The list of Skia files is kept in skia_gn_files.gypi. Read it.
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("skia_gn_files.gypi"),
       "--replace=<(skia_include_path)=//third_party/skia/include",
       "--replace=<(skia_src_path)=//third_party/skia/src" ],
     "scope",
     [ "skia_gn_files.gypi" ])
 
 # External-facing config for dependent code.
@@ skipping 219 matching lines @@
     "ext/vector_canvas.h",
     "ext/vector_platform_device_emf_win.cc",
     "ext/vector_platform_device_emf_win.h",
     "ext/vector_platform_device_skia.cc",
     "ext/vector_platform_device_skia.h",
   ]
 
   # The skia gypi values are relative to the skia_dir, so we need to rebase.
   sources += gypi_skia_core.sources
   sources += gypi_skia_effects.sources
+  sources += gypi_skia_utils.sources
   sources += gypi_skia_pdf.sources
   sources += gypi_values.skia_library_sources
 
   # GPU
   if (skia_support_gpu) {
     sources += gypi_skia_gpu.skgpu_sources
     sources += gypi_skia_gpu.skgpu_null_gl_sources
   }
 
+  # Remove unused util files include in utils.gypi
+  sources -= [
+  "//third_party/skia/include/utils/SkCondVar.h",
+  "//third_party/skia/include/utils/SkCountdown.h",
+  "//third_party/skia/include/utils/SkRunnable.h",
+  "//third_party/skia/include/utils/SkThreadPool.h",
+  "//third_party/skia/src/utils/SkCondVar.cpp",
+  "//third_party/skia/src/utils/SkCountdown.cpp",
+
+  "//third_party/skia/include/utils/SkBoundaryPatch.h",
+  "//third_party/skia/include/utils/SkFrontBufferedStream.h",
+  "//third_party/skia/include/utils/SkCamera.h",
+  "//third_party/skia/include/utils/SkCanvasStateUtils.h",
+  "//third_party/skia/include/utils/SkCubicInterval.h",
+  "//third_party/skia/include/utils/SkCullPoints.h",
+  "//third_party/skia/include/utils/SkDebugUtils.h",
+  "//third_party/skia/include/utils/SkDumpCanvas.h",
+  "//third_party/skia/include/utils/SkEventTracer.h",
+  "//third_party/skia/include/utils/SkInterpolator.h",
+  "//third_party/skia/include/utils/SkLayer.h",
+  "//third_party/skia/include/utils/SkMeshUtils.h",
+  "//third_party/skia/include/utils/SkNinePatch.h",
+  "//third_party/skia/include/utils/SkParse.h",
+  "//third_party/skia/include/utils/SkParsePaint.h",
+  "//third_party/skia/include/utils/SkParsePath.h",
+  "//third_party/skia/include/utils/SkRandom.h",
+  "//third_party/skia/include/utils/SkWGL.h",
+
+  "//third_party/skia/src/utils/SkBitmapHasher.cpp",
+  "//third_party/skia/src/utils/SkBitmapHasher.h",
+  "//third_party/skia/src/utils/SkBoundaryPatch.cpp",
+  "//third_party/skia/src/utils/SkFrontBufferedStream.cpp",
+  "//third_party/skia/src/utils/SkCamera.cpp",
+  "//third_party/skia/src/utils/SkCanvasStack.h",
+  "//third_party/skia/src/utils/SkCubicInterval.cpp",
+  "//third_party/skia/src/utils/SkCullPoints.cpp",
+  "//third_party/skia/src/utils/SkDumpCanvas.cpp",
+  "//third_party/skia/src/utils/SkFloatUtils.h",
+  "//third_party/skia/src/utils/SkGatherPixelRefsAndRects.cpp",
+  "//third_party/skia/src/utils/SkGatherPixelRefsAndRects.h",
+  "//third_party/skia/src/utils/SkInterpolator.cpp",
+  "//third_party/skia/src/utils/SkLayer.cpp",
+  "//third_party/skia/src/utils/SkMD5.cpp",
+  "//third_party/skia/src/utils/SkMD5.h",
+  "//third_party/skia/src/utils/SkMeshUtils.cpp",
+  "//third_party/skia/src/utils/SkNinePatch.cpp",
+  "//third_party/skia/src/utils/SkOSFile.cpp",
+  "//third_party/skia/src/utils/SkParse.cpp",
+  "//third_party/skia/src/utils/SkParseColor.cpp",
+  "//third_party/skia/src/utils/SkParsePath.cpp",
+  "//third_party/skia/src/utils/SkPathUtils.cpp",
+  "//third_party/skia/src/utils/SkSHA1.cpp",
+  "//third_party/skia/src/utils/SkSHA1.h",
+  "//third_party/skia/src/utils/SkThreadUtils.h",
+  "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
+  "//third_party/skia/src/utils/SkThreadUtils_pthread.h",
+  "//third_party/skia/src/utils/SkThreadUtils_pthread_linux.cpp",
+  "//third_party/skia/src/utils/SkThreadUtils_pthread_mach.cpp",
+  "//third_party/skia/src/utils/SkThreadUtils_pthread_other.cpp",
+  "//third_party/skia/src/utils/SkThreadUtils_win.cpp",
+  "//third_party/skia/src/utils/SkTFitsIn.h",
+  "//third_party/skia/src/utils/SkTLogic.h",
+
+  #testing
+  "//third_party/skia/src/fonts/SkGScalerContext.cpp",
+  "//third_party/skia/src/fonts/SkGScalerContext.h",
+  ]
+
+  # need separate win section to handle chromes auto gn filter (build/config/BUILDCONFIG.gn)
+  if (is_win) {
+    sources -= [
+      "//third_party/skia/src/utils/SkThreadUtils_win.h",
+
+      #windows
+      "//third_party/skia/include/utils/win/SkAutoCoInitialize.h",
+      "//third_party/skia/include/utils/win/SkHRESULT.h",
+      "//third_party/skia/include/utils/win/SkIStream.h",
+      "//third_party/skia/include/utils/win/SkTScopedComPtr.h",
+      "//third_party/skia/src/utils/win/SkAutoCoInitialize.cpp",
+      "//third_party/skia/src/utils/win/SkIStream.cpp",
+      "//third_party/skia/src/utils/win/SkWGL_win.cpp",
+    ]
+  }
+
   # Fixup Chrome sources.
   if (is_posix) {
     sources -= [ "ext/SkThread_chrome.cc" ]
   }
   if (is_ios) {
     sources -= [ "ext/vector_platform_device_skia.cc" ]
   }
   if (is_win) {
     sources -= [ "ext/SkThread_chrome.cc" ]
   }
@@ skipping 229 matching lines @@
     ":skia_config",
     "//build/config/compiler:no_chromium_code"
   ]
 
   deps = [
     "//base",
   ]
 
   visibility = ":skia"
 }