CMakeProjectManager: Support mapping chroot include paths

Provide a way for plugins to map include paths into a build chroot.
Plugins can register a path mapper if required, otherwise the paths
are not touched.

Change-Id: I621982831fa354d6d0f558a6c1dce4e014421f12
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>

src/plugins/cmakeprojectmanager/cmaketool.cpp

@@ -284,6 +284,17 @@ void CMakeTool::setDisplayName(const QString &displayName)
     CMakeToolManager::notifyAboutUpdate(this);
 }
 
+void CMakeTool::setPathMapper(const CMakeTool::PathMapper &pathMapper)
+{
+    m_pathMapper = pathMapper;
+}
+
+QString CMakeTool::mapAllPaths(ProjectExplorer::Kit *kit, const QString &in) const
+{
+    if (m_pathMapper)
+        return m_pathMapper(kit, in);
+    return in;
+}
 
 void CMakeTool::parseFunctionDetailsOutput(const QByteArray &output)
 {