Add a new target to build the mac binaries used for asan security tests.

Review URL: https://chromiumcodereview.appspot.com/10855184

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151781 0039d316-1c4b-4281-b951-d872f2087c98

build/all.gyp

@@ -413,6 +413,15 @@
             '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber_unittests',
           ],
         },
+        {
+          'target_name': 'chromium_builder_asan_mac',
+          'type': 'none',
+          'dependencies': [
+            '../chrome/chrome.gyp:chrome',
+            '../net/net.gyp:dns_fuzz_stub',
+            '../webkit/webkit.gyp:pull_in_DumpRenderTree',
+          ],
+        },
         {
           'target_name': 'chromium_builder_dbg_valgrind_mac',
           'type': 'none',