[Storage] Blob Storage Refactoring pt 1

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>
@@ skipping 87 matching lines @@
     BlobChangeRecord(const std::string& key, int64 object_store_id);
     ~BlobChangeRecord();
 
     const std::string& key() const { return key_; }
     int64 object_store_id() const { return object_store_id_; }
     void SetBlobInfo(std::vector<IndexedDBBlobInfo>* blob_info);
     std::vector<IndexedDBBlobInfo>& mutable_blob_info() { return blob_info_; }
     const std::vector<IndexedDBBlobInfo>& blob_info() const {
       return blob_info_;
     }
-    void SetHandles(ScopedVector<storage::BlobDataHandle>* handles);
+    void SetHandles(ScopedVector<storage::BlobDataSnapshotHandle>* handles);
     scoped_ptr<BlobChangeRecord> Clone() const;
 
    private:
     std::string key_;
     int64 object_store_id_;
     std::vector<IndexedDBBlobInfo> blob_info_;
-    ScopedVector<storage::BlobDataHandle> handles_;
+    ScopedVector<storage::BlobDataSnapshotHandle> handles_;
     DISALLOW_COPY_AND_ASSIGN(BlobChangeRecord);
   };
   typedef std::map<std::string, BlobChangeRecord*> BlobChangeMap;
 
   class CONTENT_EXPORT Transaction {
    public:
     explicit Transaction(IndexedDBBackingStore* backing_store);
     virtual ~Transaction();
 
     virtual void Begin();
     // The callback will be called eventually on success or failure, or
     // immediately if phase one is complete due to lack of any blobs to write.
     virtual leveldb::Status CommitPhaseOne(scoped_refptr<BlobWriteCallback>);
     virtual leveldb::Status CommitPhaseTwo();
     virtual void Rollback();
     void Reset() {
       backing_store_ = NULL;
       transaction_ = NULL;
     }
     leveldb::Status PutBlobInfoIfNeeded(
         int64 database_id,
         int64 object_store_id,
         const std::string& object_store_data_key,
         std::vector<IndexedDBBlobInfo>*,
-        ScopedVector<storage::BlobDataHandle>* handles);
+        ScopedVector<storage::BlobDataSnapshotHandle>* handles);
     void PutBlobInfo(int64 database_id,
                      int64 object_store_id,
                      const std::string& object_store_data_key,
                      std::vector<IndexedDBBlobInfo>*,
-                     ScopedVector<storage::BlobDataHandle>* handles);
+                     ScopedVector<storage::BlobDataSnapshotHandle>* handles);
 
     LevelDBTransaction* transaction() { return transaction_.get(); }
 
     leveldb::Status GetBlobInfoForRecord(
         int64 database_id,
         const std::string& object_store_data_key,
         IndexedDBValue* value);
 
     // This holds a BlobEntryKey and the encoded IndexedDBBlobInfo vector stored
     // under that key.
@@ skipping 232 matching lines @@
       int64 database_id,
       int64 object_store_id,
       const IndexedDBKey& key,
       IndexedDBValue* record) WARN_UNUSED_RESULT;
   virtual leveldb::Status PutRecord(
       IndexedDBBackingStore::Transaction* transaction,
       int64 database_id,
       int64 object_store_id,
       const IndexedDBKey& key,
       IndexedDBValue* value,
-      ScopedVector<storage::BlobDataHandle>* handles,
+      ScopedVector<storage::BlobDataSnapshotHandle>* handles,
       RecordIdentifier* record) WARN_UNUSED_RESULT;
   virtual leveldb::Status ClearObjectStore(
       IndexedDBBackingStore::Transaction* transaction,
       int64 database_id,
       int64 object_store_id) WARN_UNUSED_RESULT;
   virtual leveldb::Status DeleteRecord(
       IndexedDBBackingStore::Transaction* transaction,
       int64 database_id,
       int64 object_store_id,
       const RecordIdentifier& record) WARN_UNUSED_RESULT;
@@ skipping 172 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_