[Android WebView] Put error page files into WebView resources

android_webview/android_webview.gyp

 # Copyright 2009 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.
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'android_webview_pak',
       'type': 'none',
       'dependencies': [
         '<(DEPTH)/content/app/resources/content_resources.gyp:content_resources',
         '<(DEPTH)/net/net.gyp:net_resources',
         '<(DEPTH)/third_party/WebKit/public/blink_resources.gyp:blink_resources',
         '<(DEPTH)/ui/resources/ui_resources.gyp:ui_resources',
       ],
       'variables': {
         'conditions': [
           ['target_arch=="arm" or target_arch=="ia32" or target_arch=="mipsel"', {
             'arch_suffix':'32'
           }],
           ['target_arch=="arm64" or target_arch=="x64" or target_arch=="mips64el"', {
             'arch_suffix':'64'
           }],
         ],
+        'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/android_webview',
       },
       'actions': [
         {
+          'action_name': 'generate_aw_renderer_resources',
+          'variables': {
+            'grit_grd_file': 'renderer/aw_renderer_resources.grd',
+          },
+          'includes': [ '../build/grit_action.gypi' ],
+        },
+        {
           'action_name': 'repack_android_webview_pack',
           'variables': {
             'pak_inputs': [
               '<(SHARED_INTERMEDIATE_DIR)/blink/public/resources/blink_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/blink/public/resources/blink_image_resources_100_percent.pak',
               '<(SHARED_INTERMEDIATE_DIR)/content/app/resources/content_resources_100_percent.pak',
               '<(SHARED_INTERMEDIATE_DIR)/content/content_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/net/net_resources.pak',
               '<(SHARED_INTERMEDIATE_DIR)/ui/resources/ui_resources_100_percent.pak',
+              '<(grit_out_dir)/aw_renderer_resources.pak',
             ],
             'pak_output': '<(PRODUCT_DIR)/android_webview_assets/webviewchromium.pak',
           },
          'includes': [ '../build/repack_action.gypi' ],
         },
         {
           'action_name': 'android_webview_locales_rename_paks',
           'variables': {
             'rename_locales': 'tools/webview_locales_rename_paks.py',
           },
@@ skipping 334 matching lines @@
         'java_in_dir': 'glue/java',
         'resource_dir': 'apk/java/res',
       },
       'includes': [ 'apk/system_webview_apk_common.gypi' ],
     },
   ],
   'includes': [
     'android_webview_tests.gypi',
   ],
 }