Removing a bunch of unused platform code.

Source/WebCore/loader/icon/IconDatabase.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Justin Haygood (jhaygood@reaktix.com)
  *
  * 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
@@ skipping 34 matching lines @@
 #include <wtf/StdLibExtras.h>
 #include <wtf/text/CString.h>
 
 // For methods that are meant to support API from the main thread - should not be called internally
 #define ASSERT_NOT_SYNC_THREAD() ASSERT(!m_syncThreadRunning || !IS_ICON_SYNC_THREAD())
 
 // For methods that are meant to support the sync thread ONLY
 #define IS_ICON_SYNC_THREAD() (m_syncThread == currentThread())
 #define ASSERT_ICON_SYNC_THREAD() ASSERT(IS_ICON_SYNC_THREAD())
 
-#if PLATFORM(QT) || PLATFORM(GTK)
+#if PLATFORM(GTK)
 #define CAN_THEME_URL_ICON
 #endif
 
 namespace WebCore {
 
 static int databaseCleanupCounter = 0;
 
 // This version number is in the DB and marks the current generation of the schema
 // Currently, a mismatched schema causes the DB to be wiped and reset.  This isn't 
 // so bad during development but in the future, we would need to write a conversion
@@ skipping 2191 matching lines @@
     ASSERT_ICON_SYNC_THREAD();
 
     FinishedURLImport* work = new FinishedURLImport(m_client);
     callOnMainThread(performWorkItem, work);
 }
 
 
 } // namespace WebCore
 
 #endif // ENABLE(ICONDATABASE)