9 files declare their use of Cache in Plug 7

AbstractClassMetadataFactory.php in lib/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/AbstractClassMetadataFactory.php

CachedReader.php in lib/doctrine/annotations/lib/Doctrine/Common/Annotations/CachedReader.php

CacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/CacheTest.php

DoctrineCache.php in lib/Symfony/validator/Symfony/Component/Validator/Mapping/Cache/DoctrineCache.php

FileCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/FileCacheTest.php

FilesystemCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/FilesystemCacheTest.php

MongoDBCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/MongoDBCacheTest.php

PhpFileCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/PhpFileCacheTest.php

SQLite3CacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/SQLite3CacheTest.php