Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/extensions/extension_garbage_collector_factory.cc

Index: chrome/browser/extensions/extension_garbage_collector_factory.cc
diff --git a/chrome/browser/extensions/extension_garbage_collector_factory.cc b/chrome/browser/extensions/extension_garbage_collector_factory.cc
index 3c2982b191c59b70f0f40702ff3340b58e4bfb5a..5b2b4044f570bb41c65db7dfb02995b3ea9b068d 100644
--- a/chrome/browser/extensions/extension_garbage_collector_factory.cc
+++ b/chrome/browser/extensions/extension_garbage_collector_factory.cc
@@ -48,9 +48,9 @@ std::unique_ptr<KeyedService>
 ExtensionGarbageCollectorFactory::BuildInstanceFor(
     content::BrowserContext* context) {
 #if defined(OS_CHROMEOS)
-  return base::WrapUnique(new ExtensionGarbageCollectorChromeOS(context));
+  return base::MakeUnique<ExtensionGarbageCollectorChromeOS>(context);
 #else
-  return base::WrapUnique(new ExtensionGarbageCollector(context));
+  return base::MakeUnique<ExtensionGarbageCollector>(context);
 #endif
 }