Check File snapshots and Blob byte counts when writing to IDB

content/browser/indexed_db/indexed_db_backing_store.h

 // Copyright (c) 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
+#include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "content/browser/indexed_db/indexed_db.h"
 #include "content/browser/indexed_db/indexed_db_active_blob_registry.h"
 #include "content/browser/indexed_db/indexed_db_blob_info.h"
 #include "content/browser/indexed_db/indexed_db_leveldb_coding.h"
 #include "content/browser/indexed_db/indexed_db_metadata.h"
 #include "content/browser/indexed_db/leveldb/leveldb_iterator.h"
 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
 #include "content/common/content_export.h"
 #include "content/common/indexed_db/indexed_db_key.h"
@@ skipping 399 matching lines @@
         const std::string& object_store_data_key,
         IndexedDBValue* value);
 
     // This holds a BlobEntryKey and the encoded IndexedDBBlobInfo vector stored
     // under that key.
     typedef std::vector<std::pair<BlobEntryKey, std::string> >
         BlobEntryKeyValuePairVec;
 
     class WriteDescriptor {
      public:
-      WriteDescriptor(const GURL& url, int64_t key);
-      WriteDescriptor(const base::FilePath& path, int64_t key);
+      WriteDescriptor(const GURL& url, int64_t key, int64_t size);
+      WriteDescriptor(const base::FilePath& path,
+                      int64_t key,
+                      int64_t size,
+                      base::Time last_modified);
 
       bool is_file() const { return is_file_; }
       const GURL& url() const {
         DCHECK(!is_file_);
         return url_;
       }
       const base::FilePath& file_path() const {
         DCHECK(is_file_);
         return file_path_;
       }
       int64_t key() const { return key_; }
+      int64_t size() const { return size_; }
+      base::Time last_modified() const { return last_modified_; }
 
      private:
       bool is_file_;
       GURL url_;
       base::FilePath file_path_;
       int64_t key_;
+      int64_t size_;
+      base::Time last_modified_;
     };
 
     class ChainedBlobWriter : public base::RefCounted<ChainedBlobWriter> {
      public:
       virtual void set_delegate(
           scoped_ptr<fileapi::FileWriterDelegate> delegate) = 0;
 
       // TODO(ericu): Add a reason in the event of failure.
       virtual void ReportWriteCompletion(bool succeeded,
                                          int64 bytes_written) = 0;
@@ skipping 108 matching lines @@
   // will hold a reference to this backing store.
   IndexedDBActiveBlobRegistry active_blob_registry_;
   base::OneShotTimer<IndexedDBBackingStore> close_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBBackingStore);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_