Make the ENABLE_APP_LIST build flag work on Linux

chrome/common/extensions/api/schemas.gypi

 # 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.
 
 {
   'sources': [
     '<@(schema_files)',
   ],
   'variables': {
     'main_schema_files': [
@@ skipping 37 matching lines @@
       'hangouts_private.idl',
       'history.json',
       'hotword_private.idl',
       'i18n.json',
       'identity.idl',
       'identity_private.idl',
       'image_writer_private.idl',
       'inline_install_private.idl',
       'instance_id.json',
       'language_settings_private.idl',
-      'launcher_page.idl',
       'location.idl',
       'manifest_types.json',
       'media_galleries.idl',
       'metrics_private.json',
       'notification_provider.idl',
       'notifications.idl',
       'omnibox.json',
       'page_capture.json',
       'passwords_private.idl',
       'permissions.json',
@@ skipping 15 matching lines @@
       # Despite the name, this API does not rely on any
       # WebRTC-specific bits and as such does not belong in
       # the enable_webrtc==0 section below.
       'webrtc_audio_private.idl',
       'webrtc_desktop_capture_private.idl',
       'webrtc_logging_private.idl',
       'webstore_private.json',
       'webstore_widget_private.idl',
       'windows.json',
     ],
+    'app_list_schema_files': [
+      'launcher_page.idl',
+    ],
     'main_schema_include_rules': [
       'extensions/common/api:extensions::api::%(namespace)s',
     ],
     'main_non_compiled_schema_files': [
       'browsing_data.json',
       'extension.json',
       'idltest.idl',
       'music_manager_private.idl',
       'principals_private.idl',
       'top_sites.json',
@@ skipping 58 matching lines @@
       '<@(main_schema_files)',
     ],
     'schema_include_rules': [
       '<@(main_schema_include_rules)',
     ],
 
     'chromium_code': 1,
     # Disable schema compiler to generate model extension API code.
     # Only register the extension functions in extension system.
     'conditions': [
+      ['enable_app_list==1', {
+        'schema_files': [
+          '<@(app_list_schema_files)',
+        ],
+      }],
       ['chromeos==1', {
         'schema_files': [
           '<@(chromeos_schema_files)',
         ],
         'non_compiled_schema_files': [
           '<@(chromeos_non_compiled_schema_files)',
         ],
       }, { # chromeos==0
         'conditions': [
           ['OS=="linux" or OS=="win"', {
@@ skipping 13 matching lines @@
           '<@(webrtc_schema_files)',
         ],
       }],
     ],
     'cc_dir': 'chrome/common/extensions/api',
     'root_namespace': 'extensions::api::%(namespace)s',
     'bundle_name': 'Chrome',
     'impl_dir_': 'chrome/browser/extensions/api',
   },
 }