Change std::wstring to string16 for views::Label and views::Link

views/widget/tooltip_manager_views.cc

Index: views/widget/tooltip_manager_views.cc
diff --git a/views/widget/tooltip_manager_views.cc b/views/widget/tooltip_manager_views.cc
index 759f93987f97a9fffeb24ac1b7d55b3946468a17..01433d18fdd336fdca684d622e01f624deefee40 100644
--- a/views/widget/tooltip_manager_views.cc
+++ b/views/widget/tooltip_manager_views.cc
@@ -185,7 +185,7 @@ void TooltipManagerViews::Update() {
     string16 tooltip_text(tooltip_text_);
     TrimTooltipToFit(&tooltip_text, &max_width, &line_count,
                      curr_mouse_pos_.x(), curr_mouse_pos_.y());
-    tooltip_label_.SetText(UTF16ToWideHack(tooltip_text));
+    tooltip_label_.SetText(tooltip_text);
 
     SetTooltipBounds(curr_mouse_pos_, max_width,
                      tooltip_label_.GetPreferredSize().height());