Remove unused fields from //content.

content/browser/download/save_package.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_SAVE_PACKAGE_H_
 #define CONTENT_BROWSER_DOWNLOAD_SAVE_PACKAGE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 362 matching lines @@
 
   // The title of the page the user wants to save.
   base::string16 title_;
 
   // Used to calculate package download speed (in files per second).
   base::TimeTicks start_tick_;
 
   // Indicates whether the actual saving job is finishing or not.
   bool finished_;
 
-  // Indicates whether a call to Finish() has been scheduled.
-  bool mhtml_finishing_;
-
   // Indicates whether user canceled the saving job.
   bool user_canceled_;
 
   // Indicates whether user get disk error.
   bool disk_error_occurred_;
 
   // Type about saving page as only-html or complete-html.
   SavePageType save_type_;
 
   // Number of all need to be saved resources.
@@ skipping 26 matching lines @@
   friend class SavePackageTest;
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestSuggestedSaveNames);
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestLongSafePureFilename);
 
   DISALLOW_COPY_AND_ASSIGN(SavePackage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_PACKAGE_H_