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

headless/lib/browser/headless_web_contents_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "headless/lib/browser/headless_web_contents_impl.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 167 matching lines @@
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   browser_context()->DestroyWebContents(this);
 }
 
 std::string HeadlessWebContentsImpl::GetDevToolsAgentHostId() {
   return agent_host_->GetId();
 }
 
 void HeadlessWebContentsImpl::AddObserver(Observer* observer) {
   DCHECK(observer_map_.find(observer) == observer_map_.end());
-  observer_map_[observer] = base::WrapUnique(
-      new WebContentsObserverAdapter(web_contents_.get(), observer));
+  observer_map_[observer] = base::MakeUnique<WebContentsObserverAdapter>(
+      web_contents_.get(), observer);
 }
 
 void HeadlessWebContentsImpl::RemoveObserver(Observer* observer) {
   ObserverMap::iterator it = observer_map_.find(observer);
   DCHECK(it != observer_map_.end());
   observer_map_.erase(it);
 }
 
 HeadlessDevToolsTarget* HeadlessWebContentsImpl::GetDevToolsTarget() {
   return web_contents()->GetMainFrame()->IsRenderFrameLive() ? this : nullptr;
@@ skipping 56 matching lines @@
 HeadlessWebContents::Builder::MojoService::MojoService() {}
 
 HeadlessWebContents::Builder::MojoService::MojoService(
     const std::string& service_name,
     const base::Callback<void(mojo::ScopedMessagePipeHandle)>& service_factory)
     : service_name(service_name), service_factory(service_factory) {}
 
 HeadlessWebContents::Builder::MojoService::~MojoService() {}
 
 }  // namespace headless