Remove UTF string conversion functions from the global namespace.

ui/gfx/render_text_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 "ui/gfx/render_text.h"
 
 #include <algorithm>
 
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 11 matching lines @@
 
 #if defined(OS_LINUX) && !defined(USE_OZONE)
 #include "ui/gfx/render_text_pango.h"
 #endif
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
 using base::ASCIIToUTF16;
+using base::UTF8ToUTF16;
 using base::WideToUTF16;
 
 namespace gfx {
 
 namespace {
 
 // Various weak, LTR, RTL, and Bidi string cases with three characters each.
 const wchar_t kWeak[] =      L" . ";
 const wchar_t kLtr[] =       L"abc";
 const wchar_t kRtl[] =       L"\x5d0\x5d1\x5d2";
@@ skipping 1761 matching lines @@
   render_text->SetText(WideToUTF16(L"x \x25B6 y"));
   render_text->EnsureLayout();
   ASSERT_EQ(3U, render_text->runs_.size());
   EXPECT_EQ(Range(0, 2), render_text->runs_[0]->range);
   EXPECT_EQ(Range(2, 3), render_text->runs_[1]->range);
   EXPECT_EQ(Range(3, 5), render_text->runs_[2]->range);
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace gfx