Rename OS(DARWIN) to OS(MACOSX).

Source/core/page/Settings.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 70 matching lines @@
 
 // NOTEs
 //  1) EditingMacBehavior comprises builds on Mac;
 //  2) EditingWindowsBehavior comprises builds on Windows;
 //  3) EditingUnixBehavior comprises all unix-based systems, but Darwin/MacOS/Android (and then abusing the terminology);
 //  4) EditingAndroidBehavior comprises Android builds.
 // 99) MacEditingBehavior is used a fallback.
 static EditingBehaviorType editingBehaviorTypeForPlatform()
 {
     return
-#if OS(DARWIN)
+#if OS(MACOSX)
     EditingMacBehavior
 #elif OS(WINDOWS)
     EditingWindowsBehavior
 #elif OS(ANDROID)
     EditingAndroidBehavior
 #elif OS(UNIX)
     EditingUnixBehavior
 #else
     // Fallback
     EditingMacBehavior
 #endif
     ;
 }
 
 static const bool defaultUnifiedTextCheckerEnabled = false;
-#if OS(DARWIN)
+#if OS(MACOSX)
 static const bool defaultSmartInsertDeleteEnabled = true;
 #else
 static const bool defaultSmartInsertDeleteEnabled = false;
 #endif
 #if OS(WINDOWS)
 static const bool defaultSelectTrailingWhitespaceEnabled = true;
 #else
 static const bool defaultSelectTrailingWhitespaceEnabled = false;
 #endif
 
@@ skipping 268 matching lines @@
 {
     if (m_viewportEnabled == enabled)
         return;
 
     m_viewportEnabled = enabled;
     if (m_page->mainFrame())
         m_page->mainFrame()->document()->updateViewportArguments();
 }
 
 } // namespace WebCore