Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/predictors/predictors_handler.cc

Index: chrome/browser/ui/webui/predictors/predictors_handler.cc
diff --git a/chrome/browser/ui/webui/predictors/predictors_handler.cc b/chrome/browser/ui/webui/predictors/predictors_handler.cc
index bd03c65f205d354fadcc992c19ef796e640646b0..d9dce056699c2e72ac19793b8f2751a516b2ec64 100644
--- a/chrome/browser/ui/webui/predictors/predictors_handler.cc
+++ b/chrome/browser/ui/webui/predictors/predictors_handler.cc
@@ -9,6 +9,7 @@
 #include <utility>
 
 #include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor.h"
 #include "chrome/browser/predictors/autocomplete_action_predictor_factory.h"
@@ -68,7 +69,7 @@ void PredictorsHandler::RequestAutocompleteActionPredictorDb(
   base::DictionaryValue dict;
   dict.SetBoolean("enabled", enabled);
   if (enabled) {
-    base::ListValue* db = new base::ListValue();
+    auto db = base::MakeUnique<base::ListValue>();
     for (AutocompleteActionPredictor::DBCacheMap::const_iterator it =
              autocomplete_action_predictor_->db_cache_.begin();
          it != autocomplete_action_predictor_->db_cache_.end();
@@ -82,7 +83,7 @@ void PredictorsHandler::RequestAutocompleteActionPredictorDb(
           autocomplete_action_predictor_->CalculateConfidenceForDbEntry(it));
       db->Append(std::move(entry));
     }
-    dict.Set("db", db);
+    dict.Set("db", std::move(db));
   }
 
   web_ui()->CallJavascriptFunctionUnsafe("updateAutocompleteActionPredictorDb",
@@ -97,15 +98,15 @@ void PredictorsHandler::RequestResourcePrefetchPredictorDb(
 
   if (enabled) {
     // Url Database cache.
-    base::ListValue* db = new base::ListValue();
+    auto db = base::MakeUnique<base::ListValue>();
     AddPrefetchDataMapToListValue(
-        *resource_prefetch_predictor_->url_table_cache_, db);
-    dict.Set("url_db", db);
+        *resource_prefetch_predictor_->url_table_cache_, db.get());
+    dict.Set("url_db", std::move(db));
 
-    db = new base::ListValue();
+    db = base::MakeUnique<base::ListValue>();
     AddPrefetchDataMapToListValue(
-        *resource_prefetch_predictor_->host_table_cache_, db);
-    dict.Set("host_db", db);
+        *resource_prefetch_predictor_->host_table_cache_, db.get());
+    dict.Set("host_db", std::move(db));
   }
 
   web_ui()->CallJavascriptFunctionUnsafe("updateResourcePrefetchPredictorDb",
@@ -118,7 +119,7 @@ void PredictorsHandler::AddPrefetchDataMapToListValue(
   for (const auto& p : data_map) {
     std::unique_ptr<base::DictionaryValue> main(new base::DictionaryValue());
     main->SetString("main_frame_url", p.first);
-    base::ListValue* resources = new base::ListValue();
+    auto resources = base::MakeUnique<base::ListValue>();
     for (const predictors::ResourceData& r : p.second.resources()) {
       std::unique_ptr<base::DictionaryValue> resource(
           new base::DictionaryValue());
@@ -136,7 +137,7 @@ void PredictorsHandler::AddPrefetchDataMapToListValue(
           resource_prefetch_predictor_->IsResourcePrefetchable(r));
       resources->Append(std::move(resource));
     }
-    main->Set("resources", resources);
+    main->Set("resources", std::move(resources));
     db->Append(std::move(main));
   }
 }