Convert FieldTrialList to Accept a std::unique_ptr

net/disk_cache/backend_unittest.cc

Index: net/disk_cache/backend_unittest.cc
diff --git a/net/disk_cache/backend_unittest.cc b/net/disk_cache/backend_unittest.cc
index bd0827666895b7ca5c28f86bd2c5fa8ca215c312..e92dd9b2f59ce8d07ee293ce6e536c16402ec1ce 100644
--- a/net/disk_cache/backend_unittest.cc
+++ b/net/disk_cache/backend_unittest.cc
@@ -6,6 +6,7 @@
 
 #include "base/files/file.h"
 #include "base/files/file_util.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
@@ -2057,7 +2058,8 @@ TEST_F(DiskCacheTest, SimpleCacheControlJoin) {
 
   // Instantiate the SimpleCacheTrial, forcing this run into the
   // ExperimentControl group.
-  base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
+  base::FieldTrialList field_trial_list(
+      base::MakeUnique<base::MockEntropyProvider>());
   base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial",
                                          "ExperimentControl");
   net::TestCompletionCallback cb;
@@ -2081,7 +2083,8 @@ TEST_F(DiskCacheTest, SimpleCacheControlJoin) {
 TEST_F(DiskCacheTest, SimpleCacheControlRestart) {
   // Instantiate the SimpleCacheTrial, forcing this run into the
   // ExperimentControl group.
-  base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
+  base::FieldTrialList field_trial_list(
+      base::MakeUnique<base::MockEntropyProvider>());
   base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial",
                                          "ExperimentControl");
 
@@ -2121,7 +2124,8 @@ TEST_F(DiskCacheTest, SimpleCacheControlLeave) {
   {
     // Instantiate the SimpleCacheTrial, forcing this run into the
     // ExperimentControl group.
-    base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
+    base::FieldTrialList field_trial_list(
+        base::MakeUnique<base::MockEntropyProvider>());
     base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial",
                                            "ExperimentControl");
 
@@ -2132,7 +2136,8 @@ TEST_F(DiskCacheTest, SimpleCacheControlLeave) {
 
   // Instantiate the SimpleCacheTrial, forcing this run into the
   // ExperimentNo group.
-  base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
+  base::FieldTrialList field_trial_list(
+      base::MakeUnique<base::MockEntropyProvider>());
   base::FieldTrialList::CreateFieldTrial("SimpleCacheTrial", "ExperimentNo");
   net::TestCompletionCallback cb;