diff -up webkit-qtwebkit/Source/JavaScriptCore/GNUmakefile.list.am.glib231 webkit-qtwebkit/Source/JavaScriptCore/GNUmakefile.list.am
--- webkit-qtwebkit/Source/JavaScriptCore/GNUmakefile.list.am.glib231	2011-11-09 16:32:47.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/GNUmakefile.list.am	2011-12-21 12:50:19.000000000 +0100
@@ -438,7 +438,6 @@ javascriptcore_sources += \
 	Source/JavaScriptCore/wtf/gobject/GRefPtr.h \
 	Source/JavaScriptCore/wtf/gobject/GTypedefs.h \
 	Source/JavaScriptCore/wtf/gtk/MainThreadGtk.cpp \
-	Source/JavaScriptCore/wtf/gtk/ThreadingGtk.cpp \
 	Source/JavaScriptCore/wtf/HashCountedSet.h \
 	Source/JavaScriptCore/wtf/HashFunctions.h \
 	Source/JavaScriptCore/wtf/HashIterators.h \
diff -up webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.cpp.glib231 webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.cpp
--- webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.cpp.glib231	2011-11-09 16:32:47.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.cpp	2011-12-21 12:50:19.000000000 +0100
@@ -37,18 +37,6 @@ template <> void freeOwnedGPtr<GList>(GL
     g_list_free(ptr);
 }
 
-template <> void freeOwnedGPtr<GCond>(GCond* ptr)
-{
-    if (ptr)
-        g_cond_free(ptr);
-}
-
-template <> void freeOwnedGPtr<GMutex>(GMutex* ptr)
-{
-    if (ptr)
-        g_mutex_free(ptr);
-}
-
 template <> void freeOwnedGPtr<GPatternSpec>(GPatternSpec* ptr)
 {
     if (ptr)
diff -up webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h.glib231 webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h
--- webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h.glib231	2011-11-09 16:32:47.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GOwnPtr.h	2011-12-21 12:50:19.000000000 +0100
@@ -35,8 +35,6 @@ namespace WTF {
 template <typename T> inline void freeOwnedGPtr(T* ptr);
 template<> void freeOwnedGPtr<GError>(GError*);
 template<> void freeOwnedGPtr<GList>(GList*);
-template<> void freeOwnedGPtr<GCond>(GCond*);
-template<> void freeOwnedGPtr<GMutex>(GMutex*);
 template<> void freeOwnedGPtr<GPatternSpec>(GPatternSpec*);
 template<> void freeOwnedGPtr<GDir>(GDir*);
 
diff -up webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h.glib231 webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h
--- webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h.glib231	2011-11-09 16:32:47.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/wtf/gobject/GTypedefs.h	2011-12-21 12:50:19.000000000 +0100
@@ -39,7 +39,6 @@ typedef void* gpointer;
 typedef struct _GAsyncResult GAsyncResult;
 typedef struct _GCancellable GCancellable;
 typedef struct _GCharsetConverter GCharsetConverter;
-typedef struct _GCond GCond;
 typedef struct _GDir GDir;
 typedef struct _GdkAtom* GdkAtom;
 typedef struct _GdkCursor GdkCursor;
@@ -52,7 +51,6 @@ typedef struct _GFile GFile;
 typedef struct _GHashTable GHashTable;
 typedef struct _GInputStream GInputStream;
 typedef struct _GList GList;
-typedef struct _GMutex GMutex;
 typedef struct _GPatternSpec GPatternSpec;
 typedef struct _GPollableOutputStream GPollableOutputStream;
 typedef struct _GSocketClient GSocketClient;
diff -up webkit-qtwebkit/Source/JavaScriptCore/wtf/gtk/ThreadingGtk.cpp.glib231 webkit-qtwebkit/Source/JavaScriptCore/wtf/gtk/ThreadingGtk.cpp
--- webkit-qtwebkit/Source/JavaScriptCore/wtf/gtk/ThreadingGtk.cpp.glib231	2011-12-21 12:52:25.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/wtf/gtk/ThreadingGtk.cpp	2011-12-21 12:52:28.000000000 +0100
@@ -1,248 +0,0 @@
-/*
- * Copyright (C) 2007, 2008 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
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "Threading.h"
-
-#if !USE(PTHREADS)
-
-#include "CurrentTime.h"
-#include "HashMap.h"
-#include "MainThread.h"
-#include "RandomNumberSeed.h"
-#include <wtf/StdLibExtras.h>
-
-#include <glib.h>
-#include <limits.h>
-
-namespace WTF {
-
-typedef HashMap<ThreadIdentifier, GThread*> ThreadMap;
-
-static Mutex* atomicallyInitializedStaticMutex;
-
-static Mutex& threadMapMutex()
-{
-    DEFINE_STATIC_LOCAL(Mutex, mutex, ());
-    return mutex;
-}
-
-void initializeThreading()
-{
-    if (!g_thread_supported())
-        g_thread_init(NULL);
-    ASSERT(g_thread_supported());
-
-    if (!atomicallyInitializedStaticMutex) {
-        atomicallyInitializedStaticMutex = new Mutex;
-        threadMapMutex();
-        initializeRandomNumberGenerator();
-    }
-}
-
-void lockAtomicallyInitializedStaticMutex()
-{
-    ASSERT(atomicallyInitializedStaticMutex);
-    atomicallyInitializedStaticMutex->lock();
-}
-
-void unlockAtomicallyInitializedStaticMutex()
-{
-    atomicallyInitializedStaticMutex->unlock();
-}
-
-static ThreadMap& threadMap()
-{
-    DEFINE_STATIC_LOCAL(ThreadMap, map, ());
-    return map;
-}
-
-static ThreadIdentifier identifierByGthreadHandle(GThread*& thread)
-{
-    MutexLocker locker(threadMapMutex());
-
-    ThreadMap::iterator i = threadMap().begin();
-    for (; i != threadMap().end(); ++i) {
-        if (i->second == thread)
-            return i->first;
-    }
-
-    return 0;
-}
-
-static ThreadIdentifier establishIdentifierForThread(GThread*& thread)
-{
-    ASSERT(!identifierByGthreadHandle(thread));
-
-    MutexLocker locker(threadMapMutex());
-
-    static ThreadIdentifier identifierCount = 1;
-
-    threadMap().add(identifierCount, thread);
-
-    return identifierCount++;
-}
-
-static GThread* threadForIdentifier(ThreadIdentifier id)
-{
-    MutexLocker locker(threadMapMutex());
-
-    return threadMap().get(id);
-}
-
-static void clearThreadForIdentifier(ThreadIdentifier id)
-{
-    MutexLocker locker(threadMapMutex());
-
-    ASSERT(threadMap().contains(id));
-
-    threadMap().remove(id);
-}
-
-ThreadIdentifier createThreadInternal(ThreadFunction entryPoint, void* data, const char*)
-{
-    GThread* thread;
-    if (!(thread = g_thread_create(entryPoint, data, TRUE, 0))) {
-        LOG_ERROR("Failed to create thread at entry point %p with data %p", entryPoint, data);
-        return 0;
-    }
-
-    ThreadIdentifier threadID = establishIdentifierForThread(thread);
-    return threadID;
-}
-
-void initializeCurrentThreadInternal(const char*)
-{
-}
-
-int waitForThreadCompletion(ThreadIdentifier threadID, void** result)
-{
-    ASSERT(threadID);
-
-    GThread* thread = threadForIdentifier(threadID);
-
-    void* joinResult = g_thread_join(thread);
-    if (result)
-        *result = joinResult;
-
-    clearThreadForIdentifier(threadID);
-    return 0;
-}
-
-void detachThread(ThreadIdentifier)
-{
-}
-
-ThreadIdentifier currentThread()
-{
-    GThread* currentThread = g_thread_self();
-    if (ThreadIdentifier id = identifierByGthreadHandle(currentThread))
-        return id;
-    return establishIdentifierForThread(currentThread);
-}
-
-void yield()
-{
-    g_thread_yield();
-}
-
-Mutex::Mutex()
-    : m_mutex(g_mutex_new())
-{
-}
-
-Mutex::~Mutex()
-{
-}
-
-void Mutex::lock()
-{
-    g_mutex_lock(m_mutex.get());
-}
-
-bool Mutex::tryLock()
-{
-    return g_mutex_trylock(m_mutex.get());
-}
-
-void Mutex::unlock()
-{
-    g_mutex_unlock(m_mutex.get());
-}
-
-ThreadCondition::ThreadCondition()
-    : m_condition(g_cond_new())
-{
-}
-
-ThreadCondition::~ThreadCondition()
-{
-}
-
-void ThreadCondition::wait(Mutex& mutex)
-{
-    g_cond_wait(m_condition.get(), mutex.impl().get());
-}
-
-bool ThreadCondition::timedWait(Mutex& mutex, double absoluteTime)
-{
-    // Time is in the past - return right away.
-    if (absoluteTime < currentTime())
-        return false;
-    
-    // Time is too far in the future for g_cond_timed_wait - wait forever.
-    if (absoluteTime > INT_MAX) {
-        wait(mutex);
-        return true;
-    }
-
-    int timeSeconds = static_cast<int>(absoluteTime);
-    int timeMicroseconds = static_cast<int>((absoluteTime - timeSeconds) * 1000000.0);
-    
-    GTimeVal targetTime;
-    targetTime.tv_sec = timeSeconds;
-    targetTime.tv_usec = timeMicroseconds;
-
-    return g_cond_timed_wait(m_condition.get(), mutex.impl().get(), &targetTime);
-}
-
-void ThreadCondition::signal()
-{
-    g_cond_signal(m_condition.get());
-}
-
-void ThreadCondition::broadcast()
-{
-    g_cond_broadcast(m_condition.get());
-}
-
-
-}
-
-#endif // !USE(PTHREADS)
diff -up webkit-qtwebkit/Source/JavaScriptCore/wtf/ThreadingPrimitives.h.glib231 webkit-qtwebkit/Source/JavaScriptCore/wtf/ThreadingPrimitives.h
--- webkit-qtwebkit/Source/JavaScriptCore/wtf/ThreadingPrimitives.h.glib231	2011-11-09 16:32:47.000000000 +0100
+++ webkit-qtwebkit/Source/JavaScriptCore/wtf/ThreadingPrimitives.h	2011-12-21 12:50:19.000000000 +0100
@@ -44,8 +44,6 @@
 
 #if USE(PTHREADS)
 #include <pthread.h>
-#elif PLATFORM(GTK)
-#include "GOwnPtr.h"
 #endif
 
 #if PLATFORM(QT)
@@ -66,10 +64,6 @@ typedef pthread_rwlock_t PlatformReadWri
 typedef void* PlatformReadWriteLock;
 #endif
 typedef pthread_cond_t PlatformCondition;
-#elif PLATFORM(GTK)
-typedef GOwnPtr<GMutex> PlatformMutex;
-typedef void* PlatformReadWriteLock; // FIXME: Implement.
-typedef GOwnPtr<GCond> PlatformCondition;
 #elif PLATFORM(QT)
 typedef QT_PREPEND_NAMESPACE(QMutex)* PlatformMutex;
 typedef void* PlatformReadWriteLock; // FIXME: Implement.