Remove refcounting from SavePackage.

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <stdint.h>
 
 #include <functional>
@@ skipping 1113 matching lines @@
   // Helper classes ------------------------------------------------------------
 
   // Manages the frame tree of the page and process swaps in each node.
   FrameTree frame_tree_;
 
   // If this WebContents is part of a "tree of WebContents", then this contains
   // information about the structure.
   std::unique_ptr<WebContentsTreeNode> node_;
 
   // SavePackage, lazily created.
-  scoped_refptr<SavePackage> save_package_;
+  std::unique_ptr<SavePackage> save_package_;
 
   // Manages/coordinates find-in-page requests. Created lazily.
   std::unique_ptr<FindRequestManager> find_request_manager_;
 
   // Data for loading state ----------------------------------------------------
 
   // Indicates whether the current load is to a different document. Only valid
   // if is_loading_ is true.
   bool is_load_to_different_document_;
 
@@ skipping 257 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_