Refactoring: Remove the first parameter |result| from StyledMarkupAccumulator::appendStartMarkup

Source/core/editing/StyledMarkupSerializer.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009, 2010, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Igalia S.L.
  * Copyright (C) 2011 Motorola Mobility. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 292 matching lines @@
         return false;
     if (m_shouldAnnotate == AnnotateForInterchange)
         return true;
     return convertBlocksToInlines() && isBlock(&element);
 }
 
 template<typename Strategy>
 void StyledMarkupSerializer<Strategy>::wrapWithNode(StyledMarkupAccumulator& accumulator, ContainerNode& node, PassRefPtrWillBeRawPtr<EditingStyle> style)
 {
     StringBuilder markup;
-    if (!node.isElementNode()) {
-        accumulator.appendStartMarkup(markup, node);
+    if (node.isDocumentNode()) {
+        MarkupFormatter::appendXMLDeclaration(markup, toDocument(node));
         accumulator.pushMarkup(markup.toString());
         return;
     }
+    if (!node.isElementNode())
+        return;
     Element& element = toElement(node);
     if (accumulator.shouldApplyWrappingStyle(element) || needsInlineStyle(element))
         accumulator.appendElementWithInlineStyle(markup, element, style);
     else
         accumulator.appendElement(markup, element);
     accumulator.pushMarkup(markup.toString());
     accumulator.appendEndTag(toElement(node));
 }
 
 template<typename Strategy>
 RefPtrWillBeRawPtr<EditingStyle> StyledMarkupSerializer<Strategy>::createInlineStyleIfNeeded(StyledMarkupAccumulator& accumulator, Node& node)
 {
     if (!node.isElementNode())
         return nullptr;
     RefPtrWillBeRawPtr<EditingStyle> inlineStyle = accumulator.createInlineStyle(toElement(node));
     if (convertBlocksToInlines() && isBlock(&node))
         inlineStyle->forceInline();
     return inlineStyle;
 }
 
 template class StyledMarkupSerializer<EditingStrategy>;
 
 } // namespace blink