Make Telemetry tests check the configuration of the OSX Keychain.

tools/telemetry/telemetry/util/mac/determine_if_keychain_is_locked.c

Index: tools/telemetry/telemetry/util/mac/determine_if_keychain_is_locked.c
diff --git a/tools/telemetry/telemetry/util/mac/determine_if_keychain_is_locked.c b/tools/telemetry/telemetry/util/mac/determine_if_keychain_is_locked.c
new file mode 100644
index 0000000000000000000000000000000000000000..ddf0aff473a06f4e1451046362f3f46b1943e8bc
--- /dev/null
+++ b/tools/telemetry/telemetry/util/mac/determine_if_keychain_is_locked.c
@@ -0,0 +1,25 @@
+// 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.
+//
+// This program determines whether the default OSX Keychain is unlocked without
+// causing a user interaction prompt.
+// Return values:
+//   0 - The default keychain is unlocked.
+//   1 - The default keychain is locked.
+//   2 - Unexpected error.
+//
+// To compile, run: "clang -framework Security
+//                   -o determine_if_keychain_is_locked
+//                   determine_if_keychain_is_locked.c"
+
+#include <Security/Security.h>
+
+int main() {
+  SecKeychainStatus keychain_status;
+  OSStatus os_status = SecKeychainGetStatus(NULL, &keychain_status);
+  if (os_status != errSecSuccess)
+    return 2;
+
+  return (keychain_status & kSecUnlockStateStatus) ? 0 : 1;
+}