exclude the test target from building with chromiurm.

Review URL: http://webrtc-codereview.appspot.com/89016

git-svn-id: http://webrtc.googlecode.com/svn/trunk@323 4adac7df-926f-26a2-2b94-8c16560cd09d

src/system_wrappers/source/system_wrappers.gyp

@@ -116,6 +116,10 @@
         }],
       ] # conditions
     },
+  ], # targets
+  'conditions': [   
+    ['build_with_chromium==0', {
+      'targets': [
         {
           'target_name': 'system_wrappersTest',
           'type': 'executable',
@@ -127,6 +131,8 @@
           ],
         },
       ], # targets
+    }], # build_with_chromium
+  ], # conditions
 }
 
 # Local Variables: