Move IDeviceFactory closer to IDevice implementation

Except for the DesktopDevice, which is kind of special. Also try
a bit to make (and partially fail at doing so) naming and code
structure (#include, use of namespaces) more similar to each other.

Change-Id: I9fe266e706b72c14f59ff03ca1ae02dba3adcc71
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/ios/iosdevice.h

@@ -28,11 +28,11 @@
 #include "iostoolhandler.h"
 
 #include <projectexplorer/devicesupport/idevice.h>
+#include <projectexplorer/devicesupport/idevicefactory.h>
 
 #include <QVariantMap>
 #include <QMap>
 #include <QString>
-#include <QSharedPointer>
 #include <QStringList>
 #include <QTimer>
 
@@ -79,6 +79,15 @@ protected:
     mutable quint16 m_lastPort;
 };
 
+class IosDeviceFactory : public ProjectExplorer::IDeviceFactory
+{
+    Q_OBJECT
+public:
+    IosDeviceFactory();
+
+    bool canRestore(const QVariantMap &map) const override;
+};
+
 class IosDeviceManager : public QObject {
     Q_OBJECT
 public: