serializePageToMHTML  185 Source/web/WebPageSerializer.cpp     RefPtr<SharedBuffer> mhtml = serializePageToMHTML(toWebViewImpl(view)->page(), MHTMLArchive::UseDefaultEncoding);
serializePageToMHTML  192 Source/web/WebPageSerializer.cpp     RefPtr<SharedBuffer> mhtml = serializePageToMHTML(toWebViewImpl(view)->page(), MHTMLArchive::UseBinaryEncoding);