Reland: Stop passing raw pointers to base::Value API in c/b/chromeos and c/b/extensions

chrome/browser/extensions/extension_prefs_unittest.cc

Index: chrome/browser/extensions/extension_prefs_unittest.cc
diff --git a/chrome/browser/extensions/extension_prefs_unittest.cc b/chrome/browser/extensions/extension_prefs_unittest.cc
index ba014668a4bb0d7a3eb2e053b4a3e7315b5c6d91..a8f300bf640964ebf5713434d1d9a99839aba153 100644
--- a/chrome/browser/extensions/extension_prefs_unittest.cc
+++ b/chrome/browser/extensions/extension_prefs_unittest.cc
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/extensions/extension_prefs_unittest.h"
 
+#include <utility>
+
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ -572,7 +574,7 @@ class ExtensionPrefsFinishDelayedInstallInfo : public ExtensionPrefsTest {
     manifest.SetString(manifest_keys::kVersion, "0.2");
     std::unique_ptr<base::ListValue> scripts(new base::ListValue);
     scripts->AppendString("test.js");
-    manifest.Set(manifest_keys::kBackgroundScripts, scripts.release());
+    manifest.Set(manifest_keys::kBackgroundScripts, std::move(scripts));
     base::FilePath path =
         prefs_.extensions_dir().AppendASCII("test_0.2");
     std::string errors;