Use StringBuilder::appendLiteral() / StringBuilder::append(char) when possible

Source/web/WebPageSerializerImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 138 matching lines @@
             if (!param->haveSeenDocType) {
                 param->haveSeenDocType = true;
                 result.append(createMarkup(param->document->doctype()));
             }
 
             // Add MOTW declaration before html tag.
             // See http://msdn2.microsoft.com/en-us/library/ms537628(VS.85).aspx.
             result.append(WebPageSerializer::generateMarkOfTheWebDeclaration(param->url));
         } else if (isHTMLBaseElement(*element)) {
             // Comment the BASE tag when serializing dom.
-            result.append("<!--");
+            result.appendLiteral("<!--");
         }
     } else {
         // Write XML declaration.
         if (!param->haveAddedXMLProcessingDirective) {
             param->haveAddedXMLProcessingDirective = true;
             // Get encoding info.
             String xmlEncoding = param->document->xmlEncoding();
             if (xmlEncoding.isEmpty())
                 xmlEncoding = param->document->encodingName();
             if (xmlEncoding.isEmpty())
                 xmlEncoding = UTF8Encoding().name();
-            result.append("<?xml version=\"");
+            result.appendLiteral("<?xml version=\"");
             result.append(param->document->xmlVersion());
-            result.append("\" encoding=\"");
+            result.appendLiteral("\" encoding=\"");
             result.append(xmlEncoding);
             if (param->document->xmlStandalone())
-                result.append("\" standalone=\"yes");
-            result.append("\"?>\n");
+                result.appendLiteral("\" standalone=\"yes");
+            result.appendLiteral("\"?>\n");
         }
         // Add doc type declaration if original document has it.
         if (!param->haveSeenDocType) {
             param->haveSeenDocType = true;
             result.append(createMarkup(param->document->doctype()));
         }
     }
     return result.toString();
 }
 
@@ skipping 54 matching lines @@
 // element a chance to do some post work to add some additional data.
 String WebPageSerializerImpl::postActionAfterSerializeEndTag(
     const Element* element, SerializeDomParam* param)
 {
     StringBuilder result;
 
     if (!param->isHTMLDocument)
         return result.toString();
     // Comment the BASE tag when serializing DOM.
     if (isHTMLBaseElement(*element)) {
-        result.append("-->");
+        result.appendLiteral("-->");
         // Append a new base tag declaration.
         result.append(WebPageSerializer::generateBaseTagDeclaration(
             param->document->baseTarget()));
     }
 
     return result.toString();
 }
 
 void WebPageSerializerImpl::saveHTMLContentToBuffer(
     const String& result, SerializeDomParam* param)
@@ skipping 249 matching lines @@
 
         encodeAndFlushBuffer(WebPageSerializerClient::CurrentFrameIsFinished, &param, ForceFlush);
     }
 
     ASSERT(m_dataBuffer.isEmpty());
     m_client->didSerializeDataForFrame(KURL(), WebCString("", 0), WebPageSerializerClient::AllFramesAreFinished);
     return didSerialization;
 }
 
 }  // namespace blink