base: Make RefCountedBytes::TakeVector return ref ptr instead of raw ptr

chrome/browser/printing/print_preview_data_service.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 CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_
 #define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 21 matching lines @@
   // data. Use |index| to retrieve a specific preview page data. |data| is set
   // to NULL if the requested page is not yet available.
   void GetDataEntry(int32_t preview_ui_id, int index,
                     scoped_refptr<base::RefCountedBytes>* data);
 
   // Set/Update the data entry in PrintPreviewDataStore. |index| is zero-based
   // or |printing::COMPLETE_PREVIEW_DOCUMENT_INDEX| to represent complete
   // preview data. Use |index| to set/update a specific preview page data.
   // NOTE: PrintPreviewDataStore owns the data. Do not refcount |data| before
   // calling this function. It will be refcounted in PrintPreviewDataStore.
-  void SetDataEntry(int32_t preview_ui_id, int index,
-                    const base::RefCountedBytes* data);
+  void SetDataEntry(int32_t preview_ui_id,
+                    int index,
+                    scoped_refptr<base::RefCountedBytes> data);
 
   // Remove the corresponding PrintPreviewUI entry from the map.
   void RemoveEntry(int32_t preview_ui_id);
 
   // Returns the available draft page count.
   int GetAvailableDraftPageCount(int32_t preview_ui_id);
 
  private:
   friend struct base::DefaultSingletonTraits<PrintPreviewDataService>;
 
   // 1:1 relationship between PrintPreviewUI and data store object.
   // Key: PrintPreviewUI ID.
   // Value: Print preview data store object.
   using PreviewDataStoreMap =
       std::map<int32_t, scoped_refptr<PrintPreviewDataStore>>;
 
   PrintPreviewDataService();
   virtual ~PrintPreviewDataService();
 
   PreviewDataStoreMap data_store_map_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewDataService);
 };
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_DATA_SERVICE_H_