Convert //components/dom_distiller from scoped_ptr to std::unique_ptr

components/dom_distiller/webui/dom_distiller_handler.cc

Index: components/dom_distiller/webui/dom_distiller_handler.cc
diff --git a/components/dom_distiller/webui/dom_distiller_handler.cc b/components/dom_distiller/webui/dom_distiller_handler.cc
index d70dce4798c79d2d96049b17d41782a226505a89..4fdf081a0a2b0e07651ac8eee7c3df4c7b260d3a 100644
--- a/components/dom_distiller/webui/dom_distiller_handler.cc
+++ b/components/dom_distiller/webui/dom_distiller_handler.cc
@@ -108,7 +108,7 @@ void DomDistillerHandler::HandleRequestEntries(const base::ListValue* args) {
        ++it) {
     const ArticleEntry& article = *it;
     DCHECK(IsEntryValid(article));
-    scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue());
+    std::unique_ptr<base::DictionaryValue> entry(new base::DictionaryValue());
     entry->SetString("entry_id", article.entry_id());
     std::string title = (!article.has_title() || article.title().empty())
                             ? article.entry_id()