Revert of Added HALF, FULLSCREEN_ALL_APPS, and FULLSCREEN_SEARCH.

ash/app_list/app_list_presenter_delegate_unittest.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 <memory>
 
 #include "ash/ash_switches.h"
 #include "ash/public/cpp/config.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
@@ skipping 171 matching lines @@
   // which is much bigger than the actual app list size).
 
   app_list::AppListView* app_list = app_list_presenter_impl()->GetView();
   int app_list_view_top =
       app_list->anchor_rect().y() - app_list->bounds().height() / 2;
   const int kMinimalAppListMargin = 10;
 
   EXPECT_GE(app_list_view_top, kMinimalAppListMargin);
 }
 
+// Tests that the peeking app list is enlarged to fullscreen after the user
+// types in the search box.
+TEST_F(AppListPresenterDelegateTest, SnapToFullscreenAfterSearchboxInput) {
+  // TODO(newcomer): investigate failure in mash. http://crbug.com/726838.
+  if (Shell::GetAshConfig() == Config::MASH)
+    return;
+
+  EnableFullscreenAppList();
+  UpdateDisplay("1024x768");
+  EXPECT_TRUE(app_list::features::IsFullscreenAppListEnabled());
+  app_list_presenter_impl()->Show(GetPrimaryDisplayId());
+  app_list::AppListView* app_list = app_list_presenter_impl()->GetView();
+  // Check that it is in peeking mode.
+  EXPECT_FALSE(app_list->is_fullscreen());
+
+  // Dummy key event to search box.
+  ui::test::EventGenerator& generator = GetEventGenerator();
+  generator.PressKey(ui::KeyboardCode::VKEY_0, 0);
+  // Check that it is in fullscreen mode.
+  EXPECT_TRUE(app_list->is_fullscreen());
+}
+
 // Tests that the peeking app list closes if the user taps outside its
 // bounds.
 TEST_F(AppListPresenterDelegateTest, TapAndClickOutsideClosesPeekingAppList) {
   EnableFullscreenAppList();
 
   app_list_presenter_impl()->Show(GetPrimaryDisplayId());
   EXPECT_TRUE(app_list_presenter_impl()->GetTargetVisibility());
   ui::test::EventGenerator& generator = GetEventGenerator();
 
   // Grab the bounds of the search box,
@@ skipping 22 matching lines @@
   app_list_presenter_impl()->Show(GetPrimaryDisplayId());
   EXPECT_TRUE(app_list_presenter_impl()->GetTargetVisibility());
 
   // Clicking outside the bounds closes the app list.
   generator.MoveMouseTo(tap_point);
   generator.ClickLeftButton();
   EXPECT_FALSE(app_list_presenter_impl()->GetTargetVisibility());
 }
 
 }  // namespace ash