IndexedDB: Zero no longer a valid value for maxCount in getAll().

content/browser/indexed_db/indexed_db_database.cc

 // 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.
 
 #include "content/browser/indexed_db/indexed_db_database.h"
 
 #include <math.h>
 #include <limits>
 #include <set>
 
@@ skipping 727 matching lines @@
 }
 
 void IndexedDBDatabase::GetAllOperation(
     int64 object_store_id,
     scoped_ptr<IndexedDBKeyRange> key_range,
     int64 max_count,
     scoped_refptr<IndexedDBCallbacks> callbacks,
     IndexedDBTransaction* transaction) {
   IDB_TRACE1("IndexedDBDatabase::GetAllOperation", "txn.id", transaction->id());
 
-  DCHECK_GE(max_count, 0);
-  if (!max_count)
-    max_count = std::numeric_limits<decltype(max_count)>::max();
+  DCHECK_GT(max_count, 0);
 
   DCHECK(metadata_.object_stores.find(object_store_id) !=
          metadata_.object_stores.end());
   const IndexedDBObjectStoreMetadata& object_store_metadata =
       metadata_.object_stores[object_store_id];
 
   leveldb::Status s;
 
   scoped_ptr<IndexedDBBackingStore::Cursor> cursor =
       backing_store_->OpenObjectStoreCursor(
@@ skipping 1164 matching lines @@
     IndexedDBTransaction* transaction) {
   DCHECK(!transaction);
   IDB_TRACE1("IndexedDBDatabase::VersionChangeAbortOperation",
              "txn.id",
              transaction->id());
   metadata_.version = previous_version;
   metadata_.int_version = previous_int_version;
 }
 
 }  // namespace content