Convert string16 to base::string16 in content.

content/common/indexed_db/indexed_db_key_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 <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "content/common/indexed_db/indexed_db_key.h"
@@ skipping 14 matching lines @@
   estimates.push_back(static_cast<size_t>(16));
 
   double number = 3.14159;
   keys.push_back(IndexedDBKey(number, blink::WebIDBKeyTypeNumber));
   estimates.push_back(static_cast<size_t>(24));  // Overhead + sizeof(double).
 
   double date = 1370884329.0;
   keys.push_back(IndexedDBKey(date, blink::WebIDBKeyTypeDate));
   estimates.push_back(static_cast<size_t>(24));  // Overhead + sizeof(double).
 
-  const string16 string(1024, static_cast<char16>('X'));
+  const base::string16 string(1024, static_cast<char16>('X'));
   keys.push_back(IndexedDBKey(string));
   // Overhead + string length * sizeof(char16).
   estimates.push_back(static_cast<size_t>(2064));
 
   const size_t array_size = 1024;
   IndexedDBKey::KeyArray array;
   double value = 123.456;
   for (size_t i = 0; i < array_size; ++i) {
     array.push_back(IndexedDBKey(value, blink::WebIDBKeyTypeNumber));
   }
   keys.push_back(IndexedDBKey(array));
   // Overhead + array length * (Overhead + sizeof(double)).
   estimates.push_back(static_cast<size_t>(24592));
 
   ASSERT_EQ(keys.size(), estimates.size());
   for (size_t i = 0; i < keys.size(); ++i) {
     EXPECT_EQ(estimates[i], keys[i].size_estimate());
   }
 }
 
 }  // namespace
 
 }  // namespace content