https://bugs.webkit.org/show_bug.cgi?id=49860
        CSS style rules don't GC protect objects reachable as their properties

        Test: fast/dom/StyleSheet/gc-rule-children-wrappers.html

        * Android.jscbindings.mk:
        * CMakeLists.txt:
        * GNUmakefile.am:
        * WebCore.gypi:
        * WebCore.pro:
        * WebCore.vcproj/WebCore.vcproj:
        * WebCore.xcodeproj/project.pbxproj:
        * bindings/js/JSBindingsAllInOne.cpp:
        Added new files, sorted appropriate sections for easier adding.

        * bindings/js/JSCSSFontFaceRuleCustom.cpp: Added.
        (WebCore::JSCSSFontFaceRule::markChildren):
        * bindings/js/JSCSSImportRuleCustom.cpp: Added.
        (WebCore::JSCSSImportRule::markChildren):
        * bindings/js/JSCSSMediaRuleCustom.cpp: Added.
        (WebCore::JSCSSMediaRule::markChildren):
        * bindings/js/JSCSSPageRuleCustom.cpp: Added.
        (WebCore::JSCSSPageRule::markChildren):
        * bindings/js/JSCSSStyleRuleCustom.cpp: Added.
        (WebCore::JSCSSStyleRule::markChildren):
        * bindings/js/JSWebKitCSSKeyframeRuleCustom.cpp: Added.
        (WebCore::JSWebKitCSSKeyframeRule::markChildren):
        * bindings/js/JSWebKitCSSKeyframesRuleCustom.cpp: Added.
        (WebCore::JSWebKitCSSKeyframesRule::markChildren):
        Mark objects reachable through these ones.

        * css/CSSFontFaceRule.idl:
        * css/CSSImportRule.idl:
        * css/CSSMediaRule.idl:
        * css/CSSPageRule.idl:
        * css/CSSStyleRule.idl:
        * css/WebKitCSSKeyframeRule.idl:
        * css/WebKitCSSKeyframesRule.idl:
        Added CustomMarkFunction IDL attribute.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@72590 268f45cc-cd09-0410-ab3c-d52691b4dbfc