Unify pattern used for privates and constructors

In the 'managers' from ICore

Change-Id: Iab98c9e0947b759843a62e3777ba46be3b304b06
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/coreplugin/vcsmanager.h

@@ -37,9 +37,10 @@
 
 namespace Core {
 
-class VcsManagerPrivate;
 class IVersionControl;
 
+namespace Internal { class MainWindow; }
+
 /* VcsManager:
  * 1) Provides functionality for finding the IVersionControl * for a given
  *    filename (findVersionControlForDirectory). Note that the VcsManager assumes
@@ -57,9 +58,6 @@ class CORE_EXPORT VcsManager : public QObject
     Q_OBJECT
 
 public:
-    explicit VcsManager(QObject *parent = 0);
-    virtual ~VcsManager();
-
     void extensionsInitialized();
 
     void resetVersionControlForDirectory(const QString &inputDirectory);
@@ -104,7 +102,10 @@ private slots:
     void configureVcs();
 
 private:
-    VcsManagerPrivate *d;
+    explicit VcsManager(QObject *parent = 0);
+    virtual ~VcsManager();
+
+    friend class Core::Internal::MainWindow;
 };
 
 } // namespace Core