Convert HtmlDialogUIDelegate::GetDialogTitle() to string16.

chrome/browser/ui/cocoa/html_dialog_window_controller_unittest.mm

 // Copyright (c) 2011 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/ui/cocoa/html_dialog_window_controller.h"
 
 #include <string>
 #include <vector>
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_nsautorelease_pool.h"
 #include "base/sys_string_conversions.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/browser/webui/web_ui.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/size.h"
 
 namespace {
 
 class MockDelegate : public HtmlDialogUIDelegate {
 public:
   MOCK_CONST_METHOD0(IsDialogModal, bool());
-  MOCK_CONST_METHOD0(GetDialogTitle, std::wstring());
+  MOCK_CONST_METHOD0(GetDialogTitle, string16());
   MOCK_CONST_METHOD0(GetDialogContentURL, GURL());
   MOCK_CONST_METHOD1(GetWebUIMessageHandlers,
                      void(std::vector<WebUIMessageHandler*>*));
   MOCK_CONST_METHOD1(GetDialogSize, void(gfx::Size*));
   MOCK_CONST_METHOD0(GetDialogArgs, std::string());
   MOCK_METHOD1(OnDialogClosed, void(const std::string& json_retval));
   MOCK_METHOD2(OnCloseContents,
                void(TabContents* source, bool* out_close_dialog));
   MOCK_CONST_METHOD0(ShouldShowDialogTitle, bool());
 };
 
 class HtmlDialogWindowControllerTest : public BrowserWithTestWindowTest {
  public:
   virtual void SetUp() {
     BrowserWithTestWindowTest::SetUp();
     CocoaTest::BootstrapCocoa();
-    title_ = L"Mock Title";
+    title_ = ASCIIToUTF16("Mock Title");
     size_ = gfx::Size(50, 100);
     gurl_ = GURL("");
   }
 
  protected:
-  std::wstring title_;
+  string16 title_;
   gfx::Size size_;
   GURL gurl_;
 
   // Order here is important.
   MockDelegate delegate_;
 };
 
 using ::testing::_;
 using ::testing::Return;
 using ::testing::SetArgumentPointee;
@@ skipping 22 matching lines @@
   HtmlDialogWindowController* html_dialog_window_controller =
     [[HtmlDialogWindowController alloc] initWithDelegate:&delegate_
                                                  profile:profile()];
 
   [html_dialog_window_controller loadDialogContents];
   [html_dialog_window_controller showWindow:nil];
   [html_dialog_window_controller close];
 }
 
 }  // namespace