Revert of Move gn _run target generation into test().

third_party/WebKit/Source/wtf/BUILD.gn

 # 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.
 
 import("//testing/test.gni")
 
 # The list of files is kept in the .gypi.
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("wtf.gypi") ],
                           "scope",
@@ skipping 77 matching lines @@
       "Foundation.framework",
     ]
   } else {
     sources -= [
       "text/AtomicStringCF.cpp",
       "text/StringImplCF.cpp",
     ]
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("wtf_unittests_run") {
+  testonly = true
+  deps = [
+    ":wtf_unittests",
+  ]
+}
+
 test("wtf_unittests") {
   visibility = []  # Allow re-assignment of list.
   visibility = [ "*" ]
 
   sources = gypi_values.wtf_unittest_files
 
   sources += [ "testing/RunAllTests.cpp" ]
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
@@ skipping 25 matching lines @@
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:non_test_config",
   ]
 
   deps = [
     ":wtf",
   ]
 }