Add SetProminent() to MdTextButton to create blue buttons.

ui/app_list/views/search_result_actions_view.cc

 // Copyright 2013 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 "ui/app_list/views/search_result_actions_view.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 63 matching lines @@
   button->SetImage(views::CustomButton::STATE_HOVERED, &action.hover_image);
   button->SetImage(views::CustomButton::STATE_PRESSED, &action.pressed_image);
   button->SetTooltipText(action.tooltip_text);
   AddChildView(button);
 }
 
 void SearchResultActionsView::CreateBlueButton(
     const SearchResult::Action& action) {
   views::MdTextButton* button =
       views::MdTextButton::Create(this, action.label_text);
-  button->SetCallToAction(true);
+  button->SetProminent(true);
   button->SetTooltipText(action.tooltip_text);
   button->SetFocusBehavior(FocusBehavior::NEVER);
   AddChildView(button);
 }
 
 void SearchResultActionsView::OnPaint(gfx::Canvas* canvas) {
   if (!IsValidActionIndex(selected_action_))
     return;
 
   const gfx::Rect active_action_bounds(child_at(selected_action_)->bounds());
   const SkColor kActiveActionBackground = SkColorSetRGB(0xA0, 0xA0, 0xA0);
   canvas->FillRect(active_action_bounds, kActiveActionBackground);
 }
 
 void SearchResultActionsView::ButtonPressed(views::Button* sender,
                                             const ui::Event& event) {
   if (!delegate_)
     return;
 
   const int index = GetIndexOf(sender);
   DCHECK_NE(-1, index);
   delegate_->OnSearchResultActionActivated(index, event.flags());
 }
 
 }  // namespace app_list