debugger: un-duplicate code

No need for a copy of Qt::escape.

Change-Id: Id4bf0b8d09485375a41a728f0cc6ceca91c9fb42
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>

src/plugins/debugger/watchdata.cpp

@@ -32,6 +32,7 @@
 #include "watchutils.h"
 
 #include <QTextStream>
+#include <QTextDocument>
 #include <QDebug>
 
 ////////////////////////////////////////////////////////////////////
@@ -43,25 +44,6 @@
 namespace Debugger {
 namespace Internal {
 
-static QString htmlEscape(const QString &plain)
-{
-    QString rich;
-    rich.reserve(int(plain.length() * 1.1));
-    for (int i = 0; i < plain.length(); ++i) {
-        if (plain.at(i) == QLatin1Char('<'))
-            rich += QLatin1String("&lt;");
-        else if (plain.at(i) == QLatin1Char('>'))
-            rich += QLatin1String("&gt;");
-        else if (plain.at(i) == QLatin1Char('&'))
-            rich += QLatin1String("&amp;");
-        else if (plain.at(i) == QLatin1Char('"'))
-            rich += QLatin1String("&quot;");
-        else
-            rich += plain.at(i);
-    }
-    return rich;
-}
-
 bool isPointerType(const QByteArray &type)
 {
     return type.endsWith('*') || type.endsWith("* const");
@@ -369,7 +351,7 @@ static void formatToolTipRow(QTextStream &str,
     const QString &category, const QString &value)
 {
     str << "<tr><td>" << category << "</td><td> : </td><td>"
-        << htmlEscape(value) << "</td></tr>";
+        << Qt::escape(value) << "</td></tr>";
 }
 
 QString WatchData::toToolTip() const