Remove raw base::DictionaryValue::Set in //content

content/browser/gpu/gpu_data_manager_impl_private.cc

Index: content/browser/gpu/gpu_data_manager_impl_private.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.cc b/content/browser/gpu/gpu_data_manager_impl_private.cc
index 02ae3d0c0f401aeb52a2acf57d2f41ab4079edd7..8ef16815a3bd7b88372255954d772fed872a532b 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.cc
+++ b/content/browser/gpu/gpu_data_manager_impl_private.cc
@@ -12,6 +12,7 @@
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
@@ -1008,8 +1009,9 @@ void GpuDataManagerImplPrivate::ProcessCrashed(
   }
 }
 
-base::ListValue* GpuDataManagerImplPrivate::GetLogMessages() const {
-  base::ListValue* value = new base::ListValue;
+std::unique_ptr<base::ListValue> GpuDataManagerImplPrivate::GetLogMessages()
+    const {
+  auto value = base::MakeUnique<base::ListValue>();
   for (size_t ii = 0; ii < log_messages_.size(); ++ii) {
     std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
     dict->SetInteger("level", log_messages_[ii].level);