KitInformationConfigWidget: Make id of KitInformation accessible

Make the id of the kitinformation the config widget is configuring
accessible from the widget.

Change-Id: I15af2cfc18ab2ba012d43c3c6b71ee0011f994ad
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/projectexplorer/kitconfigwidget.cpp

@@ -38,4 +38,9 @@ KitConfigWidget::KitConfigWidget(Kit *kit, const KitInformation *ki) : m_kit(kit
     m_kitInformation(ki), m_isSticky(kit->isSticky(ki->id()))
 { }
 
+Core::Id KitConfigWidget::kitInformationId() const
+{
+    return m_kitInformation->id();
+}
+
 } // namespace ProjectExplorer

src/plugins/projectexplorer/kitconfigwidget.h

@@ -32,6 +32,8 @@
 
 #include "projectexplorer_export.h"
 
+#include <coreplugin/id.h>
+
 #include <QWidget>
 
 namespace ProjectExplorer {
@@ -50,6 +52,8 @@ class PROJECTEXPLORER_EXPORT KitConfigWidget : public QObject
 public:
     KitConfigWidget(Kit *kit, const KitInformation *ki);
 
+    Core::Id kitInformationId() const;
+
     virtual QString displayName() const = 0;
     virtual QString toolTip() const { return QString(); }
     virtual void makeReadOnly() = 0;