ash: Add support for additional icons in apps search list.

ui/app_list/search_result.cc

 // Copyright (c) 2012 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/search_result.h"
 
 #include "ui/app_list/search_result_observer.h"
 
 namespace app_list {
 
+SearchResult::ActionIconSet::ActionIconSet(const gfx::ImageSkia& base_image,
+                                           const gfx::ImageSkia& hover_image,
+                                           const gfx::ImageSkia& pressed_image,
+                                           const string16& tooltip_text)
+    : base_image(base_image),
+      hover_image(hover_image),
+      pressed_image(pressed_image),
+      tooltip_text(tooltip_text) {
+}
+
+SearchResult::ActionIconSet::~ActionIconSet() {
+}
+
 SearchResult::SearchResult() {
 }
 
 SearchResult::~SearchResult() {
 }
 
 void SearchResult::SetIcon(const gfx::ImageSkia& icon) {
   icon_ = icon;
   FOR_EACH_OBSERVER(SearchResultObserver,
                     observers_,
                     OnIconChanged());
 }
 
+void SearchResult::SetActionIcons(const std::vector<ActionIconSet>& sets) {
+  action_icons_ = sets;
+  FOR_EACH_OBSERVER(SearchResultObserver,
+                    observers_,
+                    OnActionIconsChanged());
+}
+
 void SearchResult::AddObserver(SearchResultObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void SearchResult::RemoveObserver(SearchResultObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace app_list