IndexedDB: Sprinkle DISALLOW_COPY_AND_ASSIGN where appropriate

content/browser/indexed_db/leveldb/leveldb_database.cc

Index: content/browser/indexed_db/leveldb/leveldb_database.cc
diff --git a/content/browser/indexed_db/leveldb/leveldb_database.cc b/content/browser/indexed_db/leveldb/leveldb_database.cc
index 0efbcd1516ae17b1d8aefe7c343a54d21aa3b1de..9ef3929a50aba9a81b9fcc498cf4295248b1194e 100644
--- a/content/browser/indexed_db/leveldb/leveldb_database.cc
+++ b/content/browser/indexed_db/leveldb/leveldb_database.cc
@@ -124,6 +124,8 @@ class LockImpl : public LevelDBLock {
  private:
   leveldb::Env* env_;
   leveldb::FileLock* lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(LockImpl);
 };
 }
 
@@ -391,6 +393,8 @@ class IteratorImpl : public LevelDBIterator {
   void CheckStatus();
 
   scoped_ptr<leveldb::Iterator> iterator_;
+
+  DISALLOW_COPY_AND_ASSIGN(IteratorImpl);
 };
 }