Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/launcher_search_provider/error_reporter.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_
 #define CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace content {
 class RenderFrameHost;
 }
 
 namespace chromeos {
 namespace launcher_search_provider {
 
 // A utility class which sends error message to developer console.
 class ErrorReporter {
  public:
   explicit ErrorReporter(content::RenderFrameHost* host);
   virtual ~ErrorReporter();
 
   // Shows |message| as warning in the developer console of the extension.
   virtual void Warn(const std::string& message);
 
   // Duplicate the instance. Since ErrorReporter is handled as scoped_ptr in the
   // code, we need this to duplicate error reporter to set it to each result.
-  virtual scoped_ptr<ErrorReporter> Duplicate();
+  virtual std::unique_ptr<ErrorReporter> Duplicate();
 
  private:
   // Not owned.
   content::RenderFrameHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(ErrorReporter);
 };
 
 }  // namespace launcher_search_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LAUNCHER_SEARCH_PROVIDER_ERROR_REPORTER_H_