Remove wstring from autocomplete.

chrome/browser/autocomplete/autocomplete_edit_view_mac_unittest.mm

 // Copyright (c) 2009 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.
 
 #import "chrome/browser/autocomplete/autocomplete_edit_view_mac.h"
 
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "gfx/size.h"
 #include "testing/platform_test.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 
 namespace {
 
 TEST(AutocompleteEditViewMacTest, GetClipboardText) {
   ui::Clipboard clipboard;
-  std::wstring text;
+  string16 text;
 
   // Does an empty clipboard get empty text?
   clipboard.WriteObjects(ui::Clipboard::ObjectMap());
   text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
-  EXPECT_EQ(std::wstring(), text);
+  EXPECT_EQ(string16(), text);
 
   const string16 plainText(ASCIIToUTF16("test text"));
   const std::string url("http://www.example.com/");
   const string16 title(ASCIIToUTF16("The Example Company")), title_result;
 
   // Can we pull straight text off the clipboard?
   {
     ui::ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteText(plainText);
   }
 
   text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
-  EXPECT_EQ(UTF16ToWide(plainText), text);
+  EXPECT_EQ(plainText, text);
 
   // Can we pull a bookmark off the clipboard?
   {
     ui::ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteBookmark(title, url);
   }
 
   text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
-  EXPECT_EQ(ASCIIToWide(url), text);
+  EXPECT_EQ(ASCIIToUTF16(url), text);
 
   // Do we pull text in preference to a bookmark?
   {
     ui::ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteText(plainText);
     clipboard_writer.WriteBookmark(title, url);
   }
 
   text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
-  EXPECT_EQ(UTF16ToWide(plainText), text);
+  EXPECT_EQ(plainText, text);
 
   // Do we get nothing if there is neither text nor a bookmark?
   {
     const string16 markup(ASCIIToUTF16("<strong>Hi!</string>"));
     ui::ScopedClipboardWriter clipboard_writer(&clipboard);
     clipboard_writer.WriteHTML(markup, url);
   }
 
   text = AutocompleteEditViewMac::GetClipboardText(&clipboard);
   EXPECT_TRUE(text.empty());
 }
 
 TEST(AutocompleteEditViewMacTest, GetFieldFont) {
   EXPECT_TRUE(AutocompleteEditViewMac::GetFieldFont());
 }
 
 }  // namespace