Move UTF16ToASCII, remove WideToASCII.

chrome/browser/media_galleries/media_galleries_dialog_controller_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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
@@ skipping 15 matching lines @@
 #include "chrome/browser/chromeos/settings/device_settings_service.h"
 #endif
 
 using storage_monitor::StorageInfo;
 using storage_monitor::TestStorageMonitor;
 
 namespace {
 
 std::string GalleryName(const MediaGalleryPrefInfo& gallery) {
   base::string16 name = gallery.GetGalleryDisplayName();
-  return UTF16ToASCII(name);
+  return base::UTF16ToASCII(name);
 }
 
 class MockMediaGalleriesDialog
     : public MediaGalleriesDialog {
  public:
   typedef base::Callback<void(int update_count)> DialogDestroyedCallback;
 
   explicit MockMediaGalleriesDialog(const DialogDestroyedCallback& callback)
       : update_count_(0),
         dialog_destroyed_callback_(callback) {
@@ skipping 258 matching lines @@
 
   gallery.volume_label = base::string16();
   EXPECT_EQ("vendor, model", GalleryName(gallery));
 
   gallery.total_size_in_bytes = 1000000;
   EXPECT_EQ("977 KB vendor, model", GalleryName(gallery));
 
   gallery.path = base::FilePath(FILE_PATH_LITERAL("sub/path"));
   EXPECT_EQ("path - 977 KB vendor, model", GalleryName(gallery));
 }