Remove fake_wifi_service.cc from production wifi component.

components/wifi.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'wifi_component',
       'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
-        '../components/components.gyp:onc_component',
         '../third_party/libxml/libxml.gyp:libxml',
+        'onc_component',
       ],
       'include_dirs': [
         '..',
       ],
       'defines': [
         'WIFI_IMPLEMENTATION',
       ],
       'sources': [
         'wifi/wifi_export.h',
         'wifi/wifi_service.cc',
         'wifi/wifi_service.h',
-        'wifi/fake_wifi_service.cc',
         'wifi/wifi_service_mac.mm',
         'wifi/wifi_service_win.cc',
       ],
       'conditions': [
         ['OS == "win"', {
           'link_settings': {
             'libraries': [
               '-liphlpapi.lib',
             ],
           },
         }],
         ['OS == "mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/CoreWLAN.framework',
               '$(SDKROOT)/System/Library/Frameworks/SystemConfiguration.framework',
             ]
           },
         }],
       ],
     },
     {
+      'target_name': 'wifi_test_support',
+      'type': 'static_library',

[tfarina, 2014/04/21 14:59:13]

Yeah, I bet if you change this to <(component) it will fix the remaining error.
This is because CreateForTest is in WifiService which is tagged with
WIFI_EXPORT.

+      'dependencies': [
+        'onc_component',
+        'wifi_component',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        'wifi/fake_wifi_service.cc',
+      ],
+    },
+    {
       'target_name': 'wifi_test',
       'type': 'executable',
       'dependencies': [
-        'wifi_component',
         '../base/base.gyp:base',
-        '../components/components.gyp:onc_component',
+        'wifi_test_support',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'wifi/wifi_test.cc',
       ],
     },
   ],
 }