Remove more usage of the base::ListValue::Append(Value*) overload.

content/browser/gpu/gpu_internals_ui.cc

Index: content/browser/gpu/gpu_internals_ui.cc
diff --git a/content/browser/gpu/gpu_internals_ui.cc b/content/browser/gpu/gpu_internals_ui.cc
index 1d0da63b7b8477d97c4964755b94ef787dea9481..23aed354f8d19bb7a764e7c83eeea000b10c9cf6 100644
--- a/content/browser/gpu/gpu_internals_ui.cc
+++ b/content/browser/gpu/gpu_internals_ui.cc
@@ -68,17 +68,19 @@ WebUIDataSource* CreateGpuHTMLSource() {
   return source;
 }
 
-base::DictionaryValue* NewDescriptionValuePair(const std::string& desc,
+std::unique_ptr<base::DictionaryValue> NewDescriptionValuePair(
+    const std::string& desc,
     const std::string& value) {
-  base::DictionaryValue* dict = new base::DictionaryValue();
+  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetString("description", desc);
   dict->SetString("value", value);
   return dict;
 }
 
-base::DictionaryValue* NewDescriptionValuePair(const std::string& desc,
+std::unique_ptr<base::DictionaryValue> NewDescriptionValuePair(
+    const std::string& desc,
     base::Value* value) {
-  base::DictionaryValue* dict = new base::DictionaryValue();
+  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
   dict->SetString("description", desc);
   dict->Set("value", value);
   return dict;
@@ -429,8 +431,7 @@ void GpuMessageHandler::OnCallAsync(const base::ListValue* args) {
     ok = args->Get(i, &arg);
     DCHECK(ok);
 
-    base::Value* argCopy = arg->DeepCopy();
-    submessageArgs->Append(argCopy);
+    submessageArgs->Append(arg->CreateDeepCopy());
   }
 
   // call the submessage handler