Reviewed by Darin Adler.

        Remove the last non-GObject usage of PlatformRefPtr and move the code to GRefPtr
        https://bugs.webkit.org/show_bug.cgi?id=51846

        * GNUmakefile.am: Remove PlatformRefPtr.h from the sources list.
        * JavaScriptCore.vcproj/WTF/WTF.vcproj: Ditto.
        * jit/ExecutableAllocator.h: Change references to PlatformRefPtr to RefPtr.
        (JSC::ExecutableAllocator::cacheFlush): Ditto.
        * wtf/PlatformRefPtr.h: Removed.
        * wtf/RandomNumber.cpp: Change references to PlatformRefPtr to RefPtr.
        (WTF::randomNumber): Ditto.
        * wtf/brew/RefPtrBrew.h: Ditto.
        (WTF::refIfNotNull): Added.
        (WTF::derefIfNotNull): Added.
        * wtf/brew/ShellBrew.h: Change references to PlatformRefPtr to RefPtr.
        (WTF::createRefPtrInstance): Modified to return a RefPtr.
        * wtf/gobject/GRefPtr.cpp:
        (WTF::refGPtr): Moved from PlatformRefPtr here.
        (WTF::derefGPtr): Ditto.
        * wtf/gobject/GRefPtr.h: Ditto.
        (WTF::GRefPtr::GRefPtr): Ditto.
        (WTF::GRefPtr::~GRefPtr): Ditto.
        (WTF::GRefPtr::clear): Ditto.
        (WTF::GRefPtr::isHashTableDeletedValue): Ditto.
        (WTF::GRefPtr::get): Ditto.
        (WTF::GRefPtr::operator*): Ditto.
        (WTF::GRefPtr::operator->): Ditto.
        (WTF::GRefPtr::operator!): Ditto.
        (WTF::GRefPtr::operator UnspecifiedBoolType): Ditto.
        (WTF::GRefPtr::hashTableDeletedValue): Ditto.
        (WTF::::operator): Ditto.
        (WTF::::swap): Ditto.
        (WTF::swap): Ditto.
        (WTF::operator==): Ditto.
        (WTF::operator!=): Ditto.
        (WTF::static_pointer_cast): Ditto.
        (WTF::const_pointer_cast): Ditto.
        (WTF::getPtr): Ditto.
        (WTF::adoptGRef): Ditto.
        (WTF::refGPtr): Ditto.
        (WTF::derefGPtr): Ditto.
2011-01-03  Martin Robinson  <mrobinson@igalia.com>

        Reviewed by Darin Adler.

        Remove the last non-GObject usage of PlatformRefPtr and move the code to GRefPtr
        https://bugs.webkit.org/show_bug.cgi?id=51846

        * DumpRenderTree/gtk/AccessibilityUIElementGtk.cpp: Change usage of PlatformRefPtr
        back to GRefPtr.
2011-01-03  Martin Robinson  <mrobinson@igalia.com>

        Reviewed by Darin Adler.

        Remove the last non-GObject usage of PlatformRefPtr and move the code to GRefPtr
        https://bugs.webkit.org/show_bug.cgi?id=51846

        No new tests. This should not introduce any functional changes.

        Changed all references to PlatformRefPtr in GTK+ code to GRefPtr. Changed
        all references to PlatformRefPtr in Brew code to RefPtr.
2011-01-03  Martin Robinson  <mrobinson@igalia.com>

        Reviewed by Darin Adler.

        Remove the last non-GObject usage of PlatformRefPtr and move the code to GRefPtr
        https://bugs.webkit.org/show_bug.cgi?id=51846

        Changed all references to PlatformRefPtr in GTK+ code to GRefPtr.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@75009 268f45cc-cd09-0410-ab3c-d52691b4dbfc