Make the Skia GN build work.

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")
@@ skipping 94 matching lines @@
     "//third_party/skia/include/config",
     "//third_party/skia/include/core",
     "//third_party/skia/include/effects",
     "//third_party/skia/include/images",
     "//third_party/skia/include/lazy",
     "//third_party/skia/include/pathops",
     "//third_party/skia/include/pdf",
     "//third_party/skia/include/pipe",
     "//third_party/skia/include/ports",
     "//third_party/skia/include/utils",
+    # TODO(dsinclair): Right way to use //third_party/freetype?
+    "//third_party/freetype/include",
   ]
 
   defines = []
 
   if (skia_support_gpu) {
     include_dirs += [
       "//third_party/skia/include/gpu",
       "//third_party/skia/src/gpu",
     ]
     defines += [ "SK_SUPPORT_GPU=1" ]
@@ skipping 109 matching lines @@
       "/wd4748",  # compiler will disable optimizations if a function has inline
                   # assembly code contains flow control(jmp or jcc) statements.
 
       "/wd4800",  # forcing value to bool 'true/false'(assigning int to bool).
     ]
   }
 }
 
 component("skia") {
   sources = [
-    # Chrome sources.
+    # PDFium sources.
     "config/SkUserConfig.h",
     "ext/google_logging.cc",
   ]
 
   # 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_values.skia_library_sources
 
@@ skipping 13 matching lines @@
   # Remove unused util files include in utils.gypi
   sources -= [
     "//third_party/skia/src/utils/SkBoundaryPatch.cpp",
     "//third_party/skia/src/utils/SkCamera.cpp",
     "//third_party/skia/src/utils/SkDumpCanvas.cpp",
     "//third_party/skia/src/utils/SkFrontBufferedStream.cpp",
     "//third_party/skia/src/utils/SkInterpolator.cpp",
     "//third_party/skia/src/utils/SkLayer.cpp",
     "//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/SkParsePath.cpp",
 
     #testing
     "//third_party/skia/src/fonts/SkGScalerContext.cpp",
   ]
 
   if (is_win) {
     sources -= [
       # Keeping _win.cpp
       "//third_party/skia/src/utils/SkThreadUtils_pthread.cpp",
@@ skipping 46 matching lines @@
 
   if (!is_linux) {
     sources -= [
       "//third_party/skia/src/fonts/SkFontMgr_fontconfig.cpp",
       "//third_party/skia/src/ports/SkFontConfigInterface_direct.cpp",
       "//third_party/skia/src/ports/SkFontConfigInterface_direct_factory.cpp",
       "//third_party/skia/src/ports/SkFontHost_fontconfig.cpp",
     ]
   }
 
-  # Add the files for the SkFontMgr_Android. This is used to emulate android
-  # fonts on linux. See content/zygote/zygote_main_linux.cc
-  if (is_linux) {
-    sources += [
-      "//third_party/skia/src/ports/SkFontMgr_android.cpp",
-      "//third_party/skia/src/ports/SkFontMgr_android_parser.cpp",
-    ]
-  }
-
   if (!is_linux && !is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
     ]
   }
 
   if (is_clang && !is_nacl) {
     # Skia won't compile with some of the more strict clang warnings.
     # e.g. it does:
     #  SkASSERT(!"sk_out_of_memory");
     configs -= [ "//build/config/clang:extra_warnings" ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     ":skia_library_config",
     "//build/config/compiler:no_chromium_code",
   ]
   public_configs = [ ":skia_config" ]
 
   deps = [
     ":skia_opts",
     "../third_party:fx_zlib",
   ]
 
   if (is_linux) {
-    if (use_pango) {
-      configs += [ "//build/config/linux/pangocairo" ]
-    }
     deps += [
-      "//build/linux:fontconfig",
-      "//build/linux:freetype2",
-
-      # "//third_party/expat",
       "//third_party/icu:icuuc",
     ]
   }
 
   if (is_android) {
     set_sources_assignment_filter([])
     set_sources_assignment_filter(sources_assignment_filter)
     deps += [
       "//third_party/android_tools:cpu_features",
       "//third_party/expat",
@@ skipping 168 matching lines @@
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [
     ":skia_config",
     ":skia_library_config",
     "//build/config/compiler:no_chromium_code",
   ]
 
   visibility = [ ":skia" ]
 }