Uses string16 for ActivityViewModel::GetTitle()

athena/test/sample_activity_factory.cc

 // Copyright 2014 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 "athena/test/sample_activity_factory.h"
 
 #include <string>
 
 #include "athena/test/sample_activity.h"
+#include "base/strings/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "url/gurl.h"
 
 namespace athena {
 namespace test {
 
 namespace {
 const SkColor kDefaultColor = SK_ColorRED;
 const SkColor kDefaultContentColor = SK_ColorGREEN;
 }
 
 SampleActivityFactory::SampleActivityFactory() {}
 
 SampleActivityFactory::~SampleActivityFactory() {}
 
 Activity* SampleActivityFactory::CreateWebActivity(
     content::BrowserContext* browser_context,
     const GURL& url) {
   return new SampleActivity(
-      kDefaultColor, kDefaultContentColor, url.spec());
+      kDefaultColor, kDefaultContentColor, base::UTF8ToUTF16(url.spec()));
 }
 
 }  // namespace test
 }  // namespace athena