Use V8 Maybe APIs in extensions/renderer

extensions/extensions.gyp

 # Copyright 2013 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.
 
 {
   'includes': [
     'extensions.gypi',
   ],
   'variables': {
     'chromium_code': 1,
@@ skipping 196 matching lines @@
       'target_name': 'extensions_renderer',
       'type': 'static_library',
       'dependencies': [
         'extensions_resources.gyp:extensions_resources',
         '../components/components.gyp:guest_view_renderer',
         '../content/content.gyp:content_resources',
         '../gin/gin.gyp:gin',
         '../third_party/WebKit/public/blink.gyp:blink',
         '../third_party/mojo/mojo_public.gyp:mojo_js_bindings',
       ],
+      'defines': [
+        'V8_IMMINENT_DEPRECATION_WARNINGS',
+      ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         '<@(extensions_renderer_sources)',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
@@ skipping 82 matching lines @@
               '<(SHARED_INTERMEDIATE_DIR)/blink/devtools_resources.pak',
             ],
             'pak_output': '<(PRODUCT_DIR)/extensions_shell_and_test.pak',
           },
           'includes': [ '../build/repack_action.gypi' ],
         },
       ],
     },
   ]
 }