Remove UTF string conversion functions from the global namespace.

chrome/renderer/spellchecker/spellcheck_provider_hunspell_unittest.cc

 // Copyright (c) 2012 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/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/spellcheck_marker.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "chrome/renderer/spellchecker/spellcheck_provider_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 // Tests for Hunspell functionality in SpellcheckingProvider
 
 using base::ASCIIToUTF16;
+using base::WideToUTF16;
 
 namespace {
 
 TEST_F(SpellCheckProviderTest, UsingHunspell) {
   FakeTextCheckingCompletion completion;
   provider_.RequestTextChecking(blink::WebString("hello"),
                                 &completion,
                                 std::vector<SpellCheckMarker>());
   EXPECT_EQ(completion.completion_count_, 1U);
   EXPECT_EQ(provider_.messages_.size(), 0U);
@@ skipping 146 matching lines @@
 
   provider_.RequestTextChecking(blink::WebString("hello world."),
                                 &completion,
                                 std::vector<SpellCheckMarker>());
   EXPECT_EQ(completion.completion_count_, 3U);
   EXPECT_EQ(completion.cancellation_count_, 1U);
   EXPECT_EQ(provider_.spelling_service_call_count_, 2U);
 }
 
 }  // namespace