The app launcher had a height of zero as it was not getting preferred size up...

chrome/common/view_types.cc

 // Copyright (c) 2010 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 "chrome/common/view_types.h"
 
 const char* ViewType::kTabContents = "TAB";
 const char* ViewType::kToolstrip = "TOOLSTRIP";
 const char* ViewType::kMole = "MOLE";
 const char* ViewType::kBackgroundPage = "BACKGROUND";
 const char* ViewType::kPopup = "POPUP";
 const char* ViewType::kInfobar = "INFOBAR";
 const char* ViewType::kNotification = "NOTIFICATION";
 const char* ViewType::kAll = "ALL";
-
-bool ViewType::ShouldAutoResize(ViewType::Type view_type) {
-  return (view_type == EXTENSION_TOOLSTRIP ||
-          view_type == EXTENSION_MOLE ||
-          view_type == EXTENSION_POPUP);
-}