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

chrome/common/variations/variations_util_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 "chrome/common/variations/variations_util.h"
 
 #include <utility>
 
 #include "base/feature_list.h"
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "chrome/common/variations/fieldtrial_testing_config.h"
 #include "components/variations/variations_associated_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chrome_variations {
 
 class VariationsUtilTest : public ::testing::Test {
  public:
   VariationsUtilTest() : field_trial_list_(NULL) {}
@@ skipping 93 matching lines @@
   EXPECT_TRUE(base::FeatureList::IsEnabled(kFeatureB));
   EXPECT_TRUE(base::FieldTrialList::IsTrialActive("TestStudy1"));
 
   EXPECT_FALSE(base::FieldTrialList::IsTrialActive("TestStudy2"));
   EXPECT_FALSE(base::FeatureList::IsEnabled(kFeatureC));
   EXPECT_FALSE(base::FeatureList::IsEnabled(kFeatureD));
   EXPECT_TRUE(base::FieldTrialList::IsTrialActive("TestStudy2"));
 }
 
 }  // namespace chrome_variations