Remove old (dead) app list code.

ui/app_list/app_list_constants.h

 // 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.
 
 #ifndef UI_APP_LIST_APP_LIST_CONSTANTS_H_
 #define UI_APP_LIST_APP_LIST_CONSTANTS_H_
 
 #include <stddef.h>
 
 #include "build/build_config.h"
@@ skipping 52 matching lines @@
 APP_LIST_EXPORT extern const int kGridIconDimension;
 
 APP_LIST_EXPORT extern const int kListIconSize;
 APP_LIST_EXPORT extern const int kListBadgeIconSize;
 APP_LIST_EXPORT extern const int kListBadgeIconOffsetX;
 APP_LIST_EXPORT extern const int kListBadgeIconOffsetY;
 APP_LIST_EXPORT extern const int kTileIconSize;
 
 APP_LIST_EXPORT extern const SkColor kIconColor;
 
-APP_LIST_EXPORT extern const int kCenteredPreferredCols;
-APP_LIST_EXPORT extern const int kCenteredPreferredRows;
-
-APP_LIST_EXPORT extern const int kExperimentalPreferredCols;
-APP_LIST_EXPORT extern const int kExperimentalPreferredRows;
-
 APP_LIST_EXPORT extern const size_t kNumStartPageTiles;
 APP_LIST_EXPORT extern const size_t kMaxSearchResults;
 
 APP_LIST_EXPORT extern const int kReorderDroppingCircleRadius;
 
-APP_LIST_EXPORT extern const int kExperimentalAppsGridPadding;
-APP_LIST_EXPORT extern const int kExperimentalSearchBoxPadding;
+APP_LIST_EXPORT extern const int kAppsGridPadding;
+APP_LIST_EXPORT extern const int kSearchBoxPadding;
 
 APP_LIST_EXPORT extern size_t kMaxFolderItems;
 APP_LIST_EXPORT extern const size_t kNumFolderTopItems;
 APP_LIST_EXPORT extern const size_t kMaxFolderNameChars;
 
 APP_LIST_EXPORT extern const ui::ResourceBundle::FontStyle kItemTextFontStyle;
 
 APP_LIST_EXPORT extern const char kPageOpenedHistogram[];
 APP_LIST_EXPORT extern const char kSearchResultOpenDisplayTypeHistogram[];
 APP_LIST_EXPORT extern const char kSearchQueryLength[];
 APP_LIST_EXPORT extern const char kSearchResultDistanceFromOrigin[];
 
 #if defined(OS_LINUX)
 // The WM_CLASS name for the app launcher window on Linux.
 APP_LIST_EXPORT extern const char kAppListWMClass[];
 #endif
 
 // Returns the shadow values for a view at |z_height|.
 APP_LIST_EXPORT gfx::ShadowValue GetShadowForZHeight(int z_height);
 
 APP_LIST_EXPORT const gfx::ShadowValues& IconStartShadows();
 APP_LIST_EXPORT const gfx::ShadowValues& IconEndShadows();
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_CONSTANTS_H_