Let Node.textContent never throw

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 20ee2edf2273cb5b7fb53b7b724313f73a2807f8..f3bcf8674e8a1beadc1d029b432140378dcb937f 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -3981,7 +3981,7 @@ void Document::setEncodingData(const DocumentEncodingData& newData)
         CString originalBytes = m_titleElement->textContent().latin1();
         OwnPtr<TextCodec> codec = newTextCodec(newData.encoding);
         String correctlyDecodedTitle = codec->decode(originalBytes.data(), originalBytes.length(), true);
-        m_titleElement->setTextContent(correctlyDecodedTitle, IGNORE_EXCEPTION);
+        m_titleElement->setTextContent(correctlyDecodedTitle);
     }
 
     m_encodingData = newData;