Factor code from ThemeMac into ThemeMacPainter.

third_party/WebKit/Source/core/layout/LayoutThemeMac.mm

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 114 matching lines @@
     return false;
 }
 
 } // namespace
 
 using namespace HTMLNames;
 
 LayoutThemeMac::LayoutThemeMac()
     : LayoutTheme(platformTheme())
     , m_notificationObserver(AdoptNS, [[BlinkLayoutThemeNotificationObserver alloc] initWithTheme:this])
-    , m_painter(*this, platformTheme())
+    , m_painter(*this)
 {
     [[NSNotificationCenter defaultCenter] addObserver:m_notificationObserver.get()
                                              selector:@selector(systemColorsDidChange:)
                                                  name:NSSystemColorsDidChangeNotification
                                                object:nil];
 }
 
 LayoutThemeMac::~LayoutThemeMac()
 {
     [[NSNotificationCenter defaultCenter] removeObserver:m_notificationObserver.get()];
@@ skipping 960 matching lines @@
 
 bool LayoutThemeMac::shouldUseFallbackTheme(const ComputedStyle& style) const
 {
     ControlPart part = style.appearance();
     if (part == CheckboxPart || part == RadioPart)
         return style.effectiveZoom() != 1;
     return false;
 }
 
 } // namespace blink