MacViews: Fix app_list_unittests for mouseover change in r311143

ui/app_list/views/app_list_main_view_unittest.cc

Index: ui/app_list/views/app_list_main_view_unittest.cc
diff --git a/ui/app_list/views/app_list_main_view_unittest.cc b/ui/app_list/views/app_list_main_view_unittest.cc
index bd21330ead59908db9cc4af9862d6ed44142b7c1..292568e2d7c68cddbda73789f1786b8852db7736 100644
--- a/ui/app_list/views/app_list_main_view_unittest.cc
+++ b/ui/app_list/views/app_list_main_view_unittest.cc
@@ -273,8 +273,8 @@ TEST_F(AppListMainViewTest, MouseHoverToHighlight) {
   delegate_->GetTestModel()->PopulateApps(2);
   main_widget_->Show();
 
-  ui::test::EventGenerator generator(
-      main_widget_->GetNativeWindow()->GetRootWindow());
+  ui::test::EventGenerator generator(GetContext(),
+                                     main_widget_->GetNativeWindow());
   AppListItemView* item0 = RootViewModel()->view_at(0);
   AppListItemView* item1 = RootViewModel()->view_at(1);
 
@@ -298,13 +298,20 @@ TEST_F(AppListMainViewTest, MouseHoverToHighlight) {
   EXPECT_FALSE(item1->is_highlighted());
 }
 
+// No touch on desktop Mac. Tracked in http://crbug.com/445520.
+#if defined(OS_MACOSX) && !defined(USE_AURA)
+#define MAYBE_TapGestureToHighlight DISABLED_TapGestureToHighlight
+#else
+#define MAYBE_TapGestureToHighlight TapGestureToHighlight
+#endif
+
 // Tests that tap gesture on app item highlights it
-TEST_F(AppListMainViewTest, TapGestureToHighlight) {
+TEST_F(AppListMainViewTest, MAYBE_TapGestureToHighlight) {
   delegate_->GetTestModel()->PopulateApps(1);
   main_widget_->Show();
 
-  ui::test::EventGenerator generator(
-      main_widget_->GetNativeWindow()->GetRootWindow());
+  ui::test::EventGenerator generator(GetContext(),
+                                     main_widget_->GetNativeWindow());
   AppListItemView* item = RootViewModel()->view_at(0);
 
   // If experimental launcher, switch to All Apps page