Migrate CandidateWindow::Entry to string16.

ash/ime/candidate_view.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 "ash/ime/candidate_view.h"
 
 #include "ash/ime/candidate_window_constants.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/ime/candidate_window.h"
 #include "ui/gfx/color_utils.h"
@@ skipping 156 matching lines @@
   *candidate_width = candidate_label_->GetPreferredSize().width();
 }
 
 void CandidateView::SetWidths(int shortcut_width, int candidate_width) {
   shortcut_width_ = shortcut_width;
   shortcut_label_->SetVisible(shortcut_width_ != 0);
   candidate_width_ = candidate_width;
 }
 
 void CandidateView::SetEntry(const ui::CandidateWindow::Entry& entry) {
-  std::string label = entry.label;
+  base::string16 label = entry.label;
   if (!label.empty() && orientation_ != ui::CandidateWindow::VERTICAL)
-    label += '.';
-  shortcut_label_->SetText(base::UTF8ToUTF16(label));
-  candidate_label_->SetText(base::UTF8ToUTF16(entry.value));
-  annotation_label_->SetText(base::UTF8ToUTF16(entry.annotation));
+    label += base::ASCIIToUTF16(".");
+  shortcut_label_->SetText(label);
+  candidate_label_->SetText(entry.value);
+  annotation_label_->SetText(entry.annotation);
 }
 
 void CandidateView::SetInfolistIcon(bool enable) {
   if (infolist_icon_)
     infolist_icon_->SetVisible(enable);
   SchedulePaint();
 }
 
 void CandidateView::StateChanged() {
   shortcut_label_->SetEnabled(state() != STATE_DISABLED);
@@ skipping 84 matching lines @@
   }
 
   // Reserves the margin for infolist_icon even if it's not visible.
   size.Enlarge(
       kInfolistIndicatorIconWidth + kInfolistIndicatorIconPadding * 2, 0);
   return size;
 }
 
 }  // namespace ime
 }  // namespace ash