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

content/browser/indexed_db/indexed_db_leveldb_coding_unittest.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_leveldb_coding.h"
 
 #include <limits>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::ASCIIToUTF16;
 using base::StringPiece;
 using blink::WebIDBKeyTypeDate;
 using blink::WebIDBKeyTypeNumber;
 
 namespace content {
 
 namespace {
 
 static IndexedDBKey CreateArrayIDBKey() {
   return IndexedDBKey(IndexedDBKey::KeyArray());
@@ skipping 890 matching lines @@
     std::string vB = WrappedEncodeVarInt(static_cast<int64>(n));
 
     EXPECT_EQ(vA.size(), vB.size());
     EXPECT_EQ(*vA.begin(), *vB.begin());
   }
 }
 
 }  // namespace
 
 }  // namespace content