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

Source/core/html/parser/XSSAuditorDelegate.cpp

 /*
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 25 matching lines @@
 #include "platform/JSONValues.h"
 #include "platform/network/FormData.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 String XSSInfo::buildConsoleError() const
 {
     StringBuilder message;
-    message.append("The XSS Auditor ");
+    message.appendLiteral("The XSS Auditor ");
     message.append(m_didBlockEntirePage ? "blocked access to" : "refused to execute a script in");
-    message.append(" '");
+    message.appendLiteral(" '");
     message.append(m_originalURL);
-    message.append("' because ");
+    message.appendLiteral("' because ");
     message.append(m_didBlockEntirePage ? "the source code of a script" : "its source code");
-    message.append(" was found within the request.");
+    message.appendLiteral(" was found within the request.");
 
     if (m_didSendCSPHeader)
-        message.append(" The server sent a 'Content-Security-Policy' header requesting this behavior.");
+        message.appendLiteral(" The server sent a 'Content-Security-Policy' header requesting this behavior.");
     else if (m_didSendXSSProtectionHeader)
-        message.append(" The server sent an 'X-XSS-Protection' header requesting this behavior.");
+        message.appendLiteral(" The server sent an 'X-XSS-Protection' header requesting this behavior.");
     else
-        message.append(" The auditor was enabled as the server sent neither an 'X-XSS-Protection' nor 'Content-Security-Policy' header.");
+        message.appendLiteral(" The auditor was enabled as the server sent neither an 'X-XSS-Protection' nor 'Content-Security-Policy' header.");
 
     return message.toString();
 }
 
 bool XSSInfo::isSafeToSendToAnotherThread() const
 {
     return m_originalURL.isSafeToSendToAnotherThread();
 }
 
 XSSAuditorDelegate::XSSAuditorDelegate(Document* document)
@@ skipping 49 matching lines @@
 
         if (!m_reportURL.isEmpty())
             PingLoader::sendViolationReport(m_document->frame(), m_reportURL, generateViolationReport(xssInfo), PingLoader::XSSAuditorViolationReport);
     }
 
     if (xssInfo.m_didBlockEntirePage)
         m_document->frame()->navigationScheduler().schedulePageBlock(m_document, Referrer());
 }
 
 } // namespace blink