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

headless/lib/browser/headless_devtools.cc

Index: headless/lib/browser/headless_devtools.cc
diff --git a/headless/lib/browser/headless_devtools.cc b/headless/lib/browser/headless_devtools.cc
index bce878c87c8e96cadd42cf2e1554e07a4b61e843..1da7b134b22f056f5253affc7005247440929223 100644
--- a/headless/lib/browser/headless_devtools.cc
+++ b/headless/lib/browser/headless_devtools.cc
@@ -97,10 +97,10 @@ std::unique_ptr<DevToolsHttpHandler> CreateLocalDevToolsHttpHandler(
   const net::IPEndPoint& endpoint = options->devtools_endpoint;
   std::unique_ptr<DevToolsHttpHandler::ServerSocketFactory> socket_factory(
       new TCPServerSocketFactory(endpoint));
-  return base::WrapUnique(new DevToolsHttpHandler(
+  return base::MakeUnique<DevToolsHttpHandler>(
       std::move(socket_factory), std::string(), new HeadlessDevToolsDelegate(),
       options->user_data_dir,  // TODO(altimin): Figure a proper value for this.
-      base::FilePath(), std::string(), options->user_agent));
+      base::FilePath(), std::string(), options->user_agent);
 }
 
 }  // namespace headless