IWYU fixes for url/...

url/scheme_host_port_unittest.cc

 // Copyright 2015 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.
 
 #include <stddef.h>
 #include <stdint.h>
+#include <ostream>
 
 #include "base/macros.h"
+#include "testing/gtest/include/gtest/gtest-message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 #include "url/scheme_host_port.h"
 
 namespace {
 
 TEST(SchemeHostPortTest, Invalid) {
   url::SchemeHostPort invalid;
   EXPECT_EQ("", invalid.scheme());
   EXPECT_EQ("", invalid.host());
@@ skipping 191 matching lines @@
     for (size_t j = i; j < arraysize(tuples); j++) {
       url::SchemeHostPort to_compare(tuples[j].scheme, tuples[j].host,
                                      tuples[j].port);
       EXPECT_EQ(i < j, current < to_compare) << i << " < " << j;
       EXPECT_EQ(j < i, to_compare < current) << j << " < " << i;
     }
   }
 }
 
 }  // namespace url