Remove stl_util's deletion function use from content/.

content/browser/download/mhtml_generation_manager.h

 // Copyright (c) 2012 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.
 #ifndef CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
 #define CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
+#include <memory>
 #include <set>
 #include <string>
 
 #include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/singleton.h"
 #include "base/process/process.h"
 #include "content/public/common/mhtml_generation_params.h"
 #include "ipc/ipc_platform_file.h"
 
@@ skipping 61 matching lines @@
   Job* NewJob(WebContents* web_contents,
               const MHTMLGenerationParams& params,
               const GenerateMHTMLCallback& callback);
 
   // Finds job by id.  Returns nullptr if no job with a given id was found.
   Job* FindJob(int job_id);
 
   // Called when the render process connected to a job exits.
   void RenderProcessExited(Job* job);
 
-  typedef std::map<int, Job*> IDToJobMap;
-  IDToJobMap id_to_job_;
+  std::map<int, std::unique_ptr<Job>> id_to_job_;
 
   int next_job_id_;
 
   DISALLOW_COPY_AND_ASSIGN(MHTMLGenerationManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_MHTML_GENERATION_MANAGER_H_