Fix, makes us pass Test 70
        XML documents should be strict about encoding checks
        http://bugs.webkit.org/show_bug.cgi?id=17079

        Test: fast/encoding/invalid-xml.html

        * WebCore.base.exp:
        * dom/XMLTokenizer.cpp:
        (WebCore::XMLTokenizer::write):
        * loader/CachedFont.cpp:
        (WebCore::CachedFont::ensureSVGFontData):
        * loader/TextResourceDecoder.cpp:
        (WebCore::TextResourceDecoder::TextResourceDecoder):
        (WebCore::TextResourceDecoder::decode):
        * loader/TextResourceDecoder.h:
        * platform/text/TextCodec.h:
        (WebCore::TextCodec::decode):
        * platform/text/TextCodecICU.cpp:
        (WebCore::TextCodecICU::decodeToBuffer):
        (WebCore::ErrorCallbackSetter::ErrorCallbackSetter):
        (WebCore::ErrorCallbackSetter::~ErrorCallbackSetter):
        (WebCore::TextCodecICU::decode):
        * platform/text/TextCodecICU.h:
        * platform/text/TextCodecLatin1.cpp:
        * platform/text/TextCodecLatin1.h:
        * platform/text/TextCodecUTF16.cpp:
        * platform/text/TextCodecUTF16.h:
        * platform/text/TextCodecUserDefined.cpp:
        * platform/text/TextCodecUserDefined.h:
        * platform/text/TextDecoder.cpp:
        (WebCore::TextDecoder::checkForBOM):
        * platform/text/TextDecoder.h:
        (WebCore::TextDecoder::decode):
        * platform/text/TextEncoding.cpp:
        (WebCore::TextEncoding::decode):
        * platform/text/TextEncoding.h:
        (WebCore::TextEncoding::decode):
        * platform/text/mac/TextCodecMac.cpp:
        (WebCore::TextCodecMac::decode):
        * platform/text/mac/TextCodecMac.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@31316 268f45cc-cd09-0410-ab3c-d52691b4dbfc