Remove deprecation warning banner from App Launcher code.

ui/app_list/app_list_constants.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/app_list_constants.h"
 
 #include "build/build_config.h"
 #include "ui/gfx/color_palette.h"
 
 namespace app_list {
@@ skipping 65 matching lines @@
 // Animation curve used for fading in the target page when opening or closing
 // a folder.
 const gfx::Tween::Type kFolderFadeInTweenType = gfx::Tween::EASE_IN_2;
 
 // Animation curve used for fading out the target page when opening or closing
 // a folder.
 const gfx::Tween::Type kFolderFadeOutTweenType = gfx::Tween::FAST_OUT_LINEAR_IN;
 
 // Preferred number of columns and rows in apps grid.
 const int kPreferredCols = 4;
-#if defined(OS_CHROMEOS)
 const int kPreferredRows = 4;
-#else
-const int kPreferredRows = 3;
-#endif  // defined(OS_CHROMEOS)
 const int kGridIconDimension = 48;
 
 // Preferred search result icon sizes.
 const int kListIconSize = 24;
 const int kListBadgeIconSize = 16;
 const int kListBadgeIconOffsetX = 6;
 const int kListBadgeIconOffsetY = 6;
 const int kTileIconSize = 48;
 
 const SkColor kIconColor = gfx::kChromeIconGrey;
@@ skipping 86 matching lines @@
 }
 
 const gfx::ShadowValues& IconEndShadows() {
   CR_DEFINE_STATIC_LOCAL(const gfx::ShadowValues, icon_shadows,
                          (1, gfx::ShadowValue(gfx::Vector2d(0, 4), 4,
                                               SkColorSetARGB(0x50, 0, 0, 0))));
   return icon_shadows;
 }
 
 }  // namespace app_list