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

crypto/BUILD.gn

 # Copyright (c) 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.
 
 import("//build/config/crypto.gni")
 import("//testing/test.gni")
 
 component("crypto") {
   output_name = "crcrypto"  # Avoid colliding with OpenSSL's libcrypto.
   sources = [
@@ skipping 208 matching lines @@
 
     deps = [
       "//base",
       "//base/third_party/dynamic_annotations",
     ]
 
     defines = [ "CRYPTO_IMPLEMENTATION" ]
   }
 }
 
+# TODO(GYP): Delete this after we've converted everything to GN.
+# The _run targets exist only for compatibility w/ GYP.
+group("crypto_unittests_run") {
+  testonly = true
+  deps = [
+    ":crypto_unittests",
+  ]
+}
+
 test("crypto_unittests") {
   sources = [
     "aead_openssl_unittest.cc",
     "curve25519_unittest.cc",
     "ec_private_key_unittest.cc",
     "ec_signature_creator_unittest.cc",
     "encryptor_unittest.cc",
     "hkdf_unittest.cc",
     "hmac_unittest.cc",
     "nss_key_util_unittest.cc",
@@ skipping 111 matching lines @@
       public_configs += [ "//third_party/nss:system_nss_no_ssl_config" ]
     } else {
       # Non-Linux platforms use the hermetic NSS from the tree.
       public_deps += [
         "//third_party/nss:nspr",
         "//third_party/nss:nss",
       ]
     }
   }
 }