[Storage] Blob Storage Refactoring pt 1

content/browser/indexed_db/indexed_db_backing_store.cc

Index: content/browser/indexed_db/indexed_db_backing_store.cc
diff --git a/content/browser/indexed_db/indexed_db_backing_store.cc b/content/browser/indexed_db/indexed_db_backing_store.cc
index 3ec2ab2f129bb9f052f65512009333bd49deb41e..c1883badc61e6d9b9ec2a9db2ab89ba7c6afcf71 100644
--- a/content/browser/indexed_db/indexed_db_backing_store.cc
+++ b/content/browser/indexed_db/indexed_db_backing_store.cc
@@ -1890,7 +1890,7 @@ leveldb::Status IndexedDBBackingStore::PutRecord(
     int64 object_store_id,
     const IndexedDBKey& key,
     IndexedDBValue* value,
-    ScopedVector<storage::BlobDataHandle>* handles,
+    ScopedVector<storage::BlobDataSnapshotHandle>* handles,
     RecordIdentifier* record_identifier) {
   IDB_TRACE("IndexedDBBackingStore::PutRecord");
   if (!KeyPrefix::ValidIds(database_id, object_store_id))
@@ -4188,7 +4188,7 @@ void IndexedDBBackingStore::BlobChangeRecord::SetBlobInfo(
 }
 
 void IndexedDBBackingStore::BlobChangeRecord::SetHandles(
-    ScopedVector<storage::BlobDataHandle>* handles) {
+    ScopedVector<storage::BlobDataSnapshotHandle>* handles) {
   handles_.clear();
   if (handles)
     handles_.swap(*handles);
@@ -4201,7 +4201,7 @@ IndexedDBBackingStore::BlobChangeRecord::Clone() const {
   record->blob_info_ = blob_info_;
 
   for (const auto* handle : handles_)
-    record->handles_.push_back(new storage::BlobDataHandle(*handle));
+    record->handles_.push_back(new storage::BlobDataSnapshotHandle(*handle));
   return record.Pass();
 }
 
@@ -4210,7 +4210,7 @@ leveldb::Status IndexedDBBackingStore::Transaction::PutBlobInfoIfNeeded(
     int64 object_store_id,
     const std::string& object_store_data_key,
     std::vector<IndexedDBBlobInfo>* blob_info,
-    ScopedVector<storage::BlobDataHandle>* handles) {
+    ScopedVector<storage::BlobDataSnapshotHandle>* handles) {
   if (!blob_info || blob_info->empty()) {
     blob_change_map_.erase(object_store_data_key);
     incognito_blob_map_.erase(object_store_data_key);
@@ -4245,7 +4245,7 @@ void IndexedDBBackingStore::Transaction::PutBlobInfo(
     int64 object_store_id,
     const std::string& object_store_data_key,
     std::vector<IndexedDBBlobInfo>* blob_info,
-    ScopedVector<storage::BlobDataHandle>* handles) {
+    ScopedVector<storage::BlobDataSnapshotHandle>* handles) {
   DCHECK_GT(object_store_data_key.size(), 0UL);
   if (database_id_ < 0)
     database_id_ = database_id;