Adds media license nodes to cookie tree model and cookies view.

storage/browser/fileapi/plugin_private_file_system_backend.h

 // Copyright 2013 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 STORAGE_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_
 #define STORAGE_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 100 matching lines @@
   void GetOriginsForHostOnFileTaskRunner(FileSystemType type,
                                          const std::string& host,
                                          std::set<GURL>* origins) override;
   int64_t GetOriginUsageOnFileTaskRunner(FileSystemContext* context,
                                          const GURL& origin_url,
                                          FileSystemType type) override;
   scoped_refptr<QuotaReservation> CreateQuotaReservationOnFileTaskRunner(
       const GURL& origin_url,
       FileSystemType type) override;
 
+  // Get details on the files saved for the specified |origin_url|. Returns
+  // the total size and last modified time for the set of all files stored
+  // for the particular origin. |total_size| = 0 and |last_modified_time| =
+  // base::Time::UnixEpoch() if no files found.
+  void GetOriginDetailsOnFileTaskRunner(FileSystemContext* context,
+                                        const GURL& origin_url,
+                                        int64_t* total_size,
+                                        base::Time* last_modified_time);
+
  private:
   friend class content::PluginPrivateFileSystemBackendTest;
 
   ObfuscatedFileUtil* obfuscated_file_util();
   const base::FilePath& base_path() const { return base_path_; }
 
   scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
   const FileSystemOptions file_system_options_;
   const base::FilePath base_path_;
   std::unique_ptr<AsyncFileUtil> file_util_;
   FileSystemIDToPluginMap* plugin_map_;  // Owned by file_util_.
   base::WeakPtrFactory<PluginPrivateFileSystemBackend> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginPrivateFileSystemBackend);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_PLUGIN_PRIVATE_FILE_SYSTEM_BACKEND_H_