Create a subset of skia support for paths only

BUILD.gn

 # Copyright 2016 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_overrides/v8.gni")
 import("//testing/test.gni")
 import("pdfium.gni")
 
 config("pdfium_common_config") {
   cflags = []
   include_dirs = [
     ".",
     "third_party/freetype/include",
     "third_party/freetype/include/freetype",
   ]
   defines = [
     "OPJ_STATIC",
     "PNG_PREFIX",
     "PNG_USE_READ_MACROS",
   ]
 
   if (pdf_use_skia) {
     defines += [ "_SKIA_SUPPORT_" ]
   }
 
+  if (pdf_use_skia_paths) {
+    defines += [ "_SKIA_SUPPORT_PATHS_" ]
+  }
+
   if (pdf_enable_v8) {
     defines += [ "PDF_ENABLE_V8" ]
   }
 
   if (pdf_enable_xfa) {
     defines += [ "PDF_ENABLE_XFA" ]
   }
 
   if (pdf_use_win32_gdi) {
     defines += [ "PDFIUM_PRINT_TEXT_WITH_GDI" ]
@@ skipping 799 matching lines @@
     ":fxcrt",
   ]
 
   if (pdf_enable_xfa) {
     sources += [
       "core/fxge/ge/cfx_unicodeencodingex.cpp",
       "core/fxge/include/cfx_unicodeencodingex.h",
     ]
   }
 
-  if (pdf_use_skia) {
+  if (pdf_use_skia || pdf_use_skia_paths) {
     sources += [ "core/fxge/skia/fx_skia_device.cpp" ]
     deps += [ "//skia" ]
   } else {
     sources += [
       "core/fxge/agg/fx_agg_driver.cpp",
       "core/fxge/agg/fx_agg_driver.h",
       "core/fxge/apple/fx_apple_platform.cpp",
     ]
     deps += [ "third_party:fx_agg" ]
   }
@@ skipping 820 matching lines @@
   if (pdf_enable_xfa) {
     sources += [
       "xfa/fde/css/fde_cssdatatable_unittest.cpp",
       "xfa/fde/xml/fde_xml_imp_unittest.cpp",
       "xfa/fxbarcode/pdf417/BC_PDF417HighLevelEncoder_unittest.cpp",
       "xfa/fxfa/app/xfa_textlayout_unittest.cpp",
       "xfa/fxfa/fm2js/xfa_simpleexpression_unittest.cpp",
       "xfa/fxfa/parser/xfa_utils_unittest.cpp",
     ]
   }
-  if (pdf_use_skia) {
+  if (pdf_use_skia || pdf_use_skia_paths) {
     sources += [ "core/fxge/skia/fx_skia_device_unittest.cpp" ]
     deps += [ "//skia" ]
   }
   if (pdf_enable_v8) {
     sources += [ "fpdfsdk/javascript/public_methods_unittest.cpp" ]
     include_dirs += [
       "//v8",
       "//v8/include",
     ]
   }
@@ skipping 57 matching lines @@
 }
 
 if (pdf_is_standalone) {
   source_set("samples") {
     testonly = true
     deps = [
       "//samples",
     ]
   }
 }