Extract ScopedTestNSSDB from nss_util.

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")
 
 component("crypto") {
   output_name = "crcrypto"  # Avoid colliding with OpenSSL's libcrypto.
   sources = [
     "apple_keychain.h",
@@ skipping 113 matching lines @@
 
   if (use_openssl) {
     # Remove NSS files when using OpenSSL
     sources -= [
       "ec_private_key_nss.cc",
       "ec_signature_creator_nss.cc",
       "encryptor_nss.cc",
       "hmac_nss.cc",
       "nss_util.cc",
       "nss_util.h",
+      "nss_util_internal.h",
       "rsa_private_key_nss.cc",
       "secure_hash_default.cc",
       "signature_creator_nss.cc",
       "signature_verifier_nss.cc",
       "symmetric_key_nss.cc",
       "third_party/nss/chromium-blapi.h",
       "third_party/nss/chromium-blapit.h",
       "third_party/nss/chromium-nss.h",
       "third_party/nss/pk11akey.cc",
       "third_party/nss/rsawrapr.c",
@@ skipping 78 matching lines @@
     ]
   }
 
   if (use_openssl) {
     sources -= [ "nss_util_unittest.cc" ]
   }
 
   deps = [
     ":crypto",
     ":platform",
+    ":test_support",
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }
 
+source_set("test_support") {
+  sources = [
+    "scoped_test_nss_db.cc",
+    "scoped_test_nss_db.h",
+    "scoped_test_nss_chromeos_user.cc",
+    "scoped_test_nss_chromeos_user.h",
+    "scoped_test_system_nss_key_slot.cc",
+    "scoped_test_system_nss_key_slot.h",
+  ]
+  deps = [
+    ":crypto",
+    ":platform",
+    "//base",
+  ]
+
+  if (!use_nss_certs) {
+    sources -= [
+      "scoped_test_nss_db.cc",
+      "scoped_test_nss_db.h",
+    ]
+  }
+
+  if (!is_chromeos) {
+    sources -= [
+      "scoped_test_nss_chromeos_user.cc",
+      "scoped_test_nss_chromeos_user.h",
+      "scoped_test_system_nss_key_slot.cc",
+      "scoped_test_system_nss_key_slot.h",
+    ]
+  }
+}
+
 # This is a meta-target that forwards to NSS's SSL library or OpenSSL,
 # according to the state of the crypto flags. A target just wanting to depend
 # on the current SSL library should just depend on this.
 group("platform") {
   if (use_openssl) {
     deps = [ "//third_party/boringssl" ]
   } else {
     deps = [ "//net/third_party/nss/ssl:libssl" ]
     if (is_linux) {
       # On Linux, we use the system NSS (excepting SSL where we always use our
@@ skipping 11 matching lines @@
       ]
     } else {
       # Non-Linux platforms use the hermetic NSS from the tree.
       deps += [
         "//third_party/nss:nspr",
         "//third_party/nss:nss",
       ]
     }
   }
 }