Use ~/.gyp/include.gypi in GN build.

build/toolchain/linux/BUILD.gn

 # Copyright 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("../clang.gni")
 import("../goma.gni")
 import("../gcc_toolchain.gni")
 
 if (is_gyp) {
   # Set the compilers for GYP to use. This logic is only relevant to GYP where
@@ skipping 11 matching lines @@
     # There is a TODO(yyanagisawa) in common.gypi about the make generator not
     # supporting CC_wrapper without CC. As a result, we must add a condition
     # when on the generator when we're not explicitly setting the variables
     # above (which happens when gyp_header is empty at this point).
     #
     # GYP will interpret the file once for each generator, so we have to write
     # this condition into the GYP file since the user could have more than one
     # generator set.
     gyp_header =
       "'conditions':" +
-      "['\"<(GENERATOR)\"==\"ninja\"', { 'make_global_settings': [" +
+      "[['\"<(GENERATOR)\"==\"ninja\"', { 'make_global_settings': [" +
       make_global_settings +
       make_goma_global_settings +
-      "]}],"
+      "]}]],"
   } else {
     gyp_header = "'make_global_settings': [" + make_global_settings + "],"
   }
 }
 
 # ARM --------------------------------------------------------------------------
 
 gcc_toolchain("arm") {
   cc = "arm-linux-gnueabi-gcc"
   cxx = "arm-linux-gnueabi-g++"
@@ skipping 30 matching lines @@
 
 gcc_toolchain("mipsel") {
   cc = "mipsel-linux-gnu-gcc"
   cxx = "mipsel-linux-gnu-g++"
   ar = "mipsel-linux-gnu-ar"
   ld = cxx
 
   toolchain_cpu_arch = "mipsel"
   toolchain_os = "linux"
 }