Elim ActivateAppListItem, ChromeAppListItem

ui/app_list/test/app_list_test_model.cc

Index: ui/app_list/test/app_list_test_model.cc
diff --git a/ui/app_list/test/app_list_test_model.cc b/ui/app_list/test/app_list_test_model.cc
index 394514ef12cd94dba6e90da37c2bd6d04ea6d3bd..6e059a9b7cd0a7d7c69f99fd4aca41a4d3bbde2e 100644
--- a/ui/app_list/test/app_list_test_model.cc
+++ b/ui/app_list/test/app_list_test_model.cc
@@ -10,7 +10,25 @@
 namespace app_list {
 namespace test {
 
-AppListTestModel::AppListTestModel() {
+class AppListTestModel::AppListTestItemModel : public AppListItemModel {
+ public:
+  explicit AppListTestItemModel(AppListTestModel* model)
+      : model_(model) {
+  }
+  virtual ~AppListTestItemModel() {}
+
+  virtual void Activate(int event_flags) OVERRIDE {
+    model_->ItemActivated(this);
+  }
+
+ private:
+  AppListTestModel* model_;
+  DISALLOW_COPY_AND_ASSIGN(AppListTestItemModel);
+};
+
+AppListTestModel::AppListTestModel()
+    : activate_count_(0),
+      last_activated_(NULL) {
   SetSignedIn(true);
 }
 
@@ -54,5 +72,10 @@ void AppListTestModel::HighlightItemAt(int index) {
   item->SetHighlighted(true);
 }
 
+void AppListTestModel::ItemActivated(AppListTestItemModel* item) {
+  last_activated_ = item;
+  ++activate_count_;
+}
+
 }  // namespace test
 }  // namespace app_list