Remove ENABLE_INPUT_TYPE_WEEK compile-time flag.

Source/WebCore/css/html.css

 /*
  * The default style sheet used to render HTML.
  *
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 526 matching lines @@
 
 input[type="time"] {
     -webkit-align-items: center;
     display: -webkit-inline-flex;
     font-family: monospace;
     overflow: hidden;
     padding: 0;
     -webkit-padding-start: 1px;
 }
 
-#if defined(ENABLE_INPUT_TYPE_WEEK) && ENABLE_INPUT_TYPE_WEEK
 input[type="week"] {
     -webkit-align-items: center;
     display: -webkit-inline-flex;
     font-family: monospace;
     overflow: hidden;
     padding: 0;
     -webkit-padding-start: 1px;
 }
-#endif
 
 input::-webkit-datetime-edit {
     -webkit-flex: 1;
     -webkit-user-modify: read-only !important;
     display: inline-block;
     overflow: hidden;
 }
 
 input::-webkit-datetime-edit-fields-wrapper {
     -webkit-user-modify: read-only !important;
@@ skipping 102 matching lines @@
 }
 
 input[type="time"] {
     -webkit-align-items: center;
     -webkit-appearance: menulist-button;
     display: -webkit-inline-flex;
     overflow: hidden;
     width: 10em;
 }
 
-#if defined(ENABLE_INPUT_TYPE_WEEK) && ENABLE_INPUT_TYPE_WEEK
 input[type="week"] {
     -webkit-align-items: center;
     -webkit-appearance: menulist-button;
     display: -webkit-inline-flex;
     overflow: hidden;
     width: 10em;
 }
-#endif
 
 input::-webkit-date-and-time-value {
     margin: 1px 24px 1px 4px;
     white-space: pre;
 }
 #endif
 
 input::-webkit-inner-spin-button {
     -webkit-appearance: inner-spin-button;
     display: block;
@@ skipping 599 matching lines @@
 @page {
     /* FIXME: Define the right default values for page properties. */
     size: auto;
     margin: auto;
     padding: 0px;
     border-width: 0px;
 }
 
 /* noscript is handled internally, as it depends on settings. */