Switch //components away from base::ListValue::Append(Value*) overload.

components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc

Index: components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc
diff --git a/components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc b/components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc
index a3d3bb256aec74f46dc06e144e87f9e6eb621afa..2bd3ad6d57580243bcc630ae4a09e018d88be820 100644
--- a/components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc
+++ b/components/bookmarks/managed/managed_bookmarks_tracker_unittest.cc
@@ -98,18 +98,20 @@ class ManagedBookmarksTrackerTest : public testing::Test {
     return node && node->HasAncestor(managed_node_);
   }
 
-  static base::DictionaryValue* CreateBookmark(const std::string& title,
-                                               const std::string& url) {
+  static std::unique_ptr<base::DictionaryValue> CreateBookmark(
+      const std::string& title,
+      const std::string& url) {
     EXPECT_TRUE(GURL(url).is_valid());
-    base::DictionaryValue* dict = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
     dict->SetString("name", title);
     dict->SetString("url", GURL(url).spec());
     return dict;
   }
 
-  static base::DictionaryValue* CreateFolder(const std::string& title,
-                                             base::ListValue* children) {
-    base::DictionaryValue* dict = new base::DictionaryValue();
+  static std::unique_ptr<base::DictionaryValue> CreateFolder(
+      const std::string& title,
+      base::ListValue* children) {
+    std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
     dict->SetString("name", title);
     dict->Set("children", children);
     return dict;
@@ -137,7 +139,7 @@ class ManagedBookmarksTrackerTest : public testing::Test {
         IDS_BOOKMARK_BAR_MANAGED_FOLDER_DEFAULT_NAME);
   }
 
-  static base::DictionaryValue* CreateExpectedTree() {
+  static std::unique_ptr<base::DictionaryValue> CreateExpectedTree() {
     return CreateFolder(GetManagedFolderTitle(), CreateTestTree());
   }