https://bugs.webkit.org/show_bug.cgi?id=68290

Reviewed by Darin Adler.

Source/WebCore:

LEVELDB is a library that can be used to implemented INDEXED_DATABASE,
which means it should be a USE not an ENABLE.

* CMakeLists.txt:
* WebCore.gyp/WebCore.gyp:
* platform/leveldb/LevelDBComparator.h:
* platform/leveldb/LevelDBDatabase.cpp:
* platform/leveldb/LevelDBDatabase.h:
* platform/leveldb/LevelDBIterator.h:
* platform/leveldb/LevelDBSlice.h:
* platform/leveldb/LevelDBTransaction.cpp:
* platform/leveldb/LevelDBTransaction.h:
* platform/leveldb/LevelDBWriteBatch.cpp:
* platform/leveldb/LevelDBWriteBatch.h:
* storage/IDBFactoryBackendImpl.cpp:
(WebCore::IDBFactoryBackendImpl::open):
(WebCore::IDBFactoryBackendImpl::migrateFromSQLiteToLevelDB):
* storage/IDBLevelDBBackingStore.cpp:
* storage/IDBLevelDBBackingStore.h:
* storage/IDBLevelDBCoding.cpp:
* storage/IDBLevelDBCoding.h:

Source/WebKit/chromium:

* features.gypi:
* tests/IDBLevelDBCodingTest.cpp:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@95373 268f45cc-cd09-0410-ab3c-d52691b4dbfc