Utils: add FilePath::toUrlishString() (QtCreator 16 API) to qds/4.7

This makes cherry-picks from qds/dev compatible without many adjustments

Change-Id: Ie32f0eef211824701e6557a616b632aa9204a58a
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/libs/utils/filepath.cpp

@@ -310,6 +310,11 @@ QString FilePath::toString() const
     return scheme() + "://" + encodedHost() + pathView();
 }
 
+QString FilePath::toUrlishString() const
+{
+    return toString();
+}
+
 bool FilePath::equals(const FilePath &first, const FilePath &second, Qt::CaseSensitivity cs)
 {
     if (first.m_hash != 0 && second.m_hash != 0 && first.m_hash != second.m_hash)

src/libs/utils/filepath.h

@@ -310,6 +310,7 @@ public:
 
     // FIXME: Avoid. See toSettings, toVariant, toUserOutput, toFSPathString, path, nativePath.
     QString toString() const;
+    QString toUrlishString() const;
 
     bool equalsCaseSensitive(const FilePath &other) const;