Add support for references in different paths in apis

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': {
     # These duplicate other lists and are the only ones used on Android. They
@@ skipping 98 matching lines @@
       'web_request.json',
       # 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_logging_private.idl',
       'webstore_private.json',
       'web_view_internal.json',
       'windows.json',
     ],
+    'main_schema_include_rules': [
+      'extensions/common/api:extensions::core_api::%(namespace)s',
+    ],
     'main_non_compiled_schema_files': [
       'browsing_data.json',
       'chromeos_info_private.json',
       'extension.json',
       'idltest.idl',
       'infobars.json',
       'media_player_private.json',
       'music_manager_private.idl',
       'principals_private.idl',
       'top_sites.json',
@@ skipping 21 matching lines @@
     ],
 
     'chromium_code': 1,
     # Disable schema compiler to generate model extension API code.
     # Only register the extension functions in extension system.
     'conditions': [
       ['enable_extensions==1', {
         'non_compiled_schema_files': [
           '<@(main_non_compiled_schema_files)',
         ],
+        'schema_dependencies': [
+          '<(DEPTH)/extensions/common/api/api.gyp:extensions_api',
+        ],
         'schema_files': [
           '<@(main_schema_files)',
         ],
+        'schema_include_rules': [
+          '<@(main_schema_include_rules)',
+        ],
       }, {  # enable_extensions==0
         'non_compiled_schema_files': [
         ],
+        'schema_dependencies': [
+        ],
         'schema_files': [
           # These should be eliminated. See crbug.com/305852.
           '<@(android_schema_files)',
         ],
       }],
       ['chromeos==1', {
         'schema_files': [
           '<@(chromeos_schema_files)',
         ],
       }],
       ['enable_extensions==1 and enable_webrtc==1', {
         'schema_files': [
           '<@(webrtc_schema_files)',
         ],
       }],
     ],
     'cc_dir': 'chrome/common/extensions/api',
     'root_namespace': 'extensions::api::%(namespace)s',
     'impl_dir_': 'chrome/browser/extensions/api',
   },
 }