Enable external V8 snapshot on Android through GN.

build/config/android/config.gni

 # 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.
 
 # This file contains common system config stuff for the Android build.
 
 if (is_android) {
   has_chrome_android_internal = exec_script("//build/dir_exists.py",
           [ rebase_path("//clank", root_build_dir) ],
           "string") == "True"
@@ skipping 134 matching lines @@
   android_objcopy = "${android_tool_prefix}objcopy"
   android_gdbserver = "$android_ndk_root/prebuilt/$android_prebuilt_arch/gdbserver/gdbserver"
 
   # stlport stuff --------------------------------------------------------------
 
   if (component_mode == "shared_library") {
     android_stlport_library = "stlport_shared"
   } else {
     android_stlport_library = "stlport_static"
   }
+  if (!is_android_webview_build) {
+    v8_use_external_startup_data = true

[rmcilroy, 2014/11/24 17:05:25]

I think you want this to be false until
https://codereview.chromium.org/749213004/ lands otherwise this break the GN
build, right?

[baixo1, 2014/11/24 21:27:10]

Yes, thanks!

+  }
 } else {
   if (!defined(is_android_webview_build)) {
     is_android_webview_build = false
   }
 }