Fix a bunch of IWYU violators that don't include scoped_ptr.h

components/variations/variations_seed_processor_unittest.cc

 // Copyright 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.
 
 #include "components/variations/variations_seed_processor.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/format_macros.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/variations/processed_study.h"
 #include "components/variations/variations_associated_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace variations {
 
 namespace {
@@ skipping 716 matching lines @@
     // depending on the expected values.
     EXPECT_FALSE(base::FieldTrialList::IsTrialActive(study.name()));
     EXPECT_EQ(test_case.expected_feature_state,
               base::FeatureList::IsEnabled(test_case.feature));
     EXPECT_EQ(test_case.expected_trial_activated,
               base::FieldTrialList::IsTrialActive(study.name()));
   }
 }
 
 }  // namespace variations