[Bindings] Create and use V8 context snapshots

build/toolchain/cros/BUILD.gn

 # Copyright 2014 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/compiler/compiler.gni")
 import("//build/config/sysroot.gni")
 import("//build/toolchain/gcc_toolchain.gni")
 import("//build/toolchain/cros_toolchain.gni")
 
 # This is the normal toolchain for most targets.
@@ skipping 75 matching lines @@
   }
   if (cros_host_readelf != "") {
     readelf = cros_host_readelf
   }
   extra_cflags = cros_host_extra_cflags
   extra_cppflags = cros_host_extra_cppflags
   extra_cxxflags = cros_host_extra_cxxflags
   extra_ldflags = cros_host_extra_ldflags
 
   toolchain_args = {
+    use_cras = false
+    ozone_platform_gbm = false
+    use_system_harfbuzz = false
+    use_ozone = false
     cc_wrapper = ""
     is_clang = cros_host_is_clang
     current_cpu = host_cpu
     current_os = "linux"
     use_sysroot = false
   }
 }
 
 gcc_toolchain("v8_snapshot") {
   # These are args for the template.
@@ skipping 21 matching lines @@
     if (target_cpu == "x86" || target_cpu == "arm" || target_cpu == "mipsel") {
       current_cpu = "x86"
     } else {
       current_cpu = "x64"
     }
     v8_current_cpu = v8_target_cpu
     current_os = "linux"
     use_sysroot = false
   }
 }