Update uses of UTF conversions in content/ to use the base:: namespace.

content/browser/indexed_db/indexed_db_database_unittest.cc

 // Copyright 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 "base/auto_reset.h"
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/indexed_db/indexed_db.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_callbacks.h"
 #include "content/browser/indexed_db/indexed_db_connection.h"
 #include "content/browser/indexed_db/indexed_db_cursor.h"
 #include "content/browser/indexed_db/indexed_db_database.h"
 #include "content/browser/indexed_db/indexed_db_factory.h"
 #include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_transaction.h"
 #include "content/browser/indexed_db/mock_indexed_db_callbacks.h"
 #include "content/browser/indexed_db/mock_indexed_db_database_callbacks.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::ASCIIToUTF16;
+
 namespace content {
 
 TEST(IndexedDBDatabaseTest, BackingStoreRetention) {
   scoped_refptr<IndexedDBFakeBackingStore> backing_store =
       new IndexedDBFakeBackingStore();
   EXPECT_TRUE(backing_store->HasOneRef());
 
   IndexedDBFactory* factory = 0;
   scoped_refptr<IndexedDBDatabase> db = IndexedDBDatabase::Create(
       ASCIIToUTF16("db"),
@@ skipping 144 matching lines @@
   EXPECT_TRUE(request2->blocked_called());
   EXPECT_FALSE(backing_store->HasOneRef());  // local and db
 
   db->Close(request1->connection(), true /* forced */);
 
   EXPECT_FALSE(db->backing_store());
   EXPECT_TRUE(backing_store->HasOneRef());  // local
 }
 
 }  // namespace content