Fix unused functions warnings on Linux.

Source/weborigin/SecurityOriginTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "weborigin/KURL.h"
 #include "weborigin/SecurityOrigin.h"
-#include "wtf/testing/WTFTestHelpers.h"
 
 #include <gtest/gtest.h>
 
 using WebCore::SecurityOrigin;
 
 namespace {
 
 const int MaxAllowedPort = 65535;
 
 TEST(SecurityOriginTest, InvalidPortsCreateUniqueOrigins)
@@ skipping 11 matching lines @@
     int ports[] = { 0, 80, 443, 5000, MaxAllowedPort };
 
     for (size_t i = 0; i < ARRAYSIZE_UNSAFE(ports); ++i) {
         RefPtr<SecurityOrigin> origin = SecurityOrigin::create("http", "example.com", ports[i]);
         EXPECT_FALSE(origin->isUnique()) << "Port " << ports[i] << " should not have generated a unique origin.";
     }
 }
 
 } // namespace