Merge NativeTextfieldViews into views::Textfield.

ui/app_list/views/folder_header_view.cc

Index: ui/app_list/views/folder_header_view.cc
diff --git a/ui/app_list/views/folder_header_view.cc b/ui/app_list/views/folder_header_view.cc
index 302514d76d1becadd277a6809b3b7ba24c6d7cfd..8e3eb1e598a09e7b6fae28cb45fb4541bfa69ab2 100644
--- a/ui/app_list/views/folder_header_view.cc
+++ b/ui/app_list/views/folder_header_view.cc
@@ -68,7 +68,8 @@ FolderHeaderView::FolderHeaderView(FolderHeaderViewDelegate* delegate)
       views::ImageButton::ALIGN_MIDDLE);
   AddChildView(back_button_);
 
-  folder_name_view_->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
+  folder_name_view_->SetFontList(
+      rb.GetFontList(ui::ResourceBundle::MediumFont));
   folder_name_view_->set_placeholder_text_color(kHintTextColor);
   folder_name_view_->set_placeholder_text(
       rb.GetLocalizedString(IDS_APP_LIST_FOLDER_NAME_PLACEHOLDER));
@@ -146,7 +147,7 @@ void FolderHeaderView::ContentsChanged(views::Textfield* sender,
     return;
 
   folder_item_->RemoveObserver(this);
-  std::string name = base::UTF16ToUTF8(folder_name_view_->text());
+  std::string name = base::UTF16ToUTF8(folder_name_view_->GetText());
   folder_item_->SetTitleAndFullName(name, name);
   folder_item_->AddObserver(this);
 }