Convert FieldTrialList to Accept a std::unique_ptr

components/variations/entropy_provider_unittest.cc

Index: components/variations/entropy_provider_unittest.cc
diff --git a/components/variations/entropy_provider_unittest.cc b/components/variations/entropy_provider_unittest.cc
index 3c679dd0bc134527d078bbea322d0468380f362b..cde08e0aed9c1505455a3b3a32e6bba5db131d8c 100644
--- a/components/variations/entropy_provider_unittest.cc
+++ b/components/variations/entropy_provider_unittest.cc
@@ -13,6 +13,7 @@
 
 #include "base/guid.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/variations/metrics_util.h"
@@ -189,7 +190,8 @@ TEST(EntropyProviderTest, UseOneTimeRandomizationSHA1) {
   // Note that depending on the one-time random initialization, they
   // _might_ actually give the same result, but we know that given
   // the particular client_id we use for unit tests they won't.
-  base::FieldTrialList field_trial_list(new SHA1EntropyProvider("client_id"));
+  base::FieldTrialList field_trial_list(
+      base::MakeUnique<SHA1EntropyProvider>("client_id"));
   const int kNoExpirationYear = base::FieldTrialList::kNoExpirationYear;
   scoped_refptr<base::FieldTrial> trials[] = {
       base::FieldTrialList::FactoryGetFieldTrial(
@@ -219,7 +221,7 @@ TEST(EntropyProviderTest, UseOneTimeRandomizationPermuted) {
   // _might_ actually give the same result, but we know that given
   // the particular client_id we use for unit tests they won't.
   base::FieldTrialList field_trial_list(
-      new PermutedEntropyProvider(1234, kMaxLowEntropySize));
+      base::MakeUnique<PermutedEntropyProvider>(1234, kMaxLowEntropySize));
   const int kNoExpirationYear = base::FieldTrialList::kNoExpirationYear;
   scoped_refptr<base::FieldTrial> trials[] = {
       base::FieldTrialList::FactoryGetFieldTrial(
@@ -245,7 +247,7 @@ TEST(EntropyProviderTest, UseOneTimeRandomizationWithCustomSeedPermuted) {
   // Ensures that two trials with different names but the same custom seed used
   // for one time randomization produce the same group assignments.
   base::FieldTrialList field_trial_list(
-      new PermutedEntropyProvider(1234, kMaxLowEntropySize));
+      base::MakeUnique<PermutedEntropyProvider>(1234, kMaxLowEntropySize));
   const int kNoExpirationYear = base::FieldTrialList::kNoExpirationYear;
   const uint32_t kCustomSeed = 9001;
   scoped_refptr<base::FieldTrial> trials[] = {