Move Skia GN sources to a separate .gni file.

gn/shared_sources.gni

Index: gn/shared_sources.gni
diff --git a/gn/shared_sources.gni b/gn/shared_sources.gni
new file mode 100644
index 0000000000000000000000000000000000000000..8525883e7c839ea10069a6d747c36eeafc2d7a82
--- /dev/null
+++ b/gn/shared_sources.gni
@@ -0,0 +1,96 @@
+# Copyright 2016 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# This file is used to shared GN source lists between the standalone Skia
+# and Chrome skia build. All paths produced by this header must be
+# source-absolute since it will be included in different contexts in each
+# checkout.
+_path_to_include = get_path_info("../include", "abspath")
+_path_to_src = get_path_info("../src", "abspath")
+
+# Core.
+_core_gypi = exec_script("gypi_to_gn.py",
+                         [
+                           rebase_path("../gyp/core.gypi"),
+                           "--replace=<(skia_include_path)=$_path_to_include",
+                           "--replace=<(skia_src_path)=$_path_to_src",
+                         ],
+                         "scope",
+                         [ "../gyp/core.gypi" ])
+skia_core_sources = _core_gypi.sources
+
+# Effects.
+_effects_gypi =
+    exec_script("gypi_to_gn.py",
+                [
+                  rebase_path("../gyp/effects.gypi"),
+                  "--replace=<(skia_include_path)=$_path_to_include",
+                  "--replace=<(skia_src_path)=$_path_to_src",
+                ],
+                "scope",
+                [ "../gyp/effects.gypi" ])
+skia_effects_sources = _effects_gypi.sources
+
+# GPU.
+_gpu_gypi = exec_script("gypi_to_gn.py",
+                        [
+                          rebase_path("../gyp/gpu.gypi"),
+                          "--replace=<(skia_include_path)=$_path_to_include",
+                          "--replace=<(skia_src_path)=$_path_to_src",
+                        ],
+                        "scope",
+                        [ "../gyp/gpu.gypi" ])
+skia_gpu_sources = _gpu_gypi.skgpu_sources
+skia_null_gpu_sources = _gpu_gypi.skgpu_null_gl_sources
+
+# Opts.
+#
+# Unlike the other variables here, this is a "scope" consisting of many
+# sub-lists.
+skia_opts = exec_script("gypi_to_gn.py",
+                        [
+                          rebase_path("../gyp/opts.gypi"),
+                          "--replace=<(skia_include_path)=$_path_to_include",
+                          "--replace=<(skia_src_path)=$_path_to_src",
+                        ],
+                        "scope",
+                        [ "../gyp/opts.gypi" ])
+
+# PDF.
+_pdf_gypi = exec_script("gypi_to_gn.py",
+                        [
+                          rebase_path("../gyp/pdf.gypi"),
+                          "--replace=<(skia_include_path)=$_path_to_include",
+                          "--replace=<(skia_src_path)=$_path_to_src",
+                        ],
+                        "scope",
+                        [ "../gyp/pdf.gypi" ])
+skia_pdf_sources = _pdf_gypi.sources
+
+# SKSL.
+_sksl_gypi = exec_script("gypi_to_gn.py",
+                         [
+                           rebase_path("../gyp/sksl.gypi"),
+                           "--replace=<(skia_include_path)=$_path_to_include",
+                           "--replace=<(skia_src_path)=$_path_to_src",
+                         ],
+                         "scope",
+                         [ "../gyp/sksl.gypi" ])
+skia_sksl_sources = _sksl_gypi.sources
+
+# Utils.
+_utils_gypi = exec_script("gypi_to_gn.py",
+                          [
+                            rebase_path("../gyp/utils.gypi"),
+                            "--replace=<(skia_include_path)=$_path_to_include",
+                            "--replace=<(skia_src_path)=$_path_to_src",
+                          ],
+                          "scope",
+                          [ "../gyp/utils.gypi" ])
+skia_utils_sources = _utils_gypi.sources
+
+# Skia Chromium defines. These flags will be defined in chromium If these
+# become 'permanent', they should be moved into Chrome's skia build file.
+skia_for_chromium_defines = [ "SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS" ]