Clean exported headers of the Core plugin.

Change-Id: I26472d568844d5fee62323e01f5c5c12082d5450
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/coreplugin/progressmanager/futureprogress.cpp

@@ -29,6 +29,7 @@
 ****************************************************************************/
 
 #include "futureprogress.h"
+#include "id.h"
 #include "progressbar.h"
 
 #include <utils/stylehelper.h>

src/plugins/coreplugin/progressmanager/futureprogress.h

@@ -32,13 +32,13 @@
 #define FUTUREPROGRESS_H
 
 #include <coreplugin/core_global.h>
-#include <coreplugin/id.h>
 
 #include <QString>
 #include <QFuture>
 #include <QWidget>
 
 namespace Core {
+class Id;
 class FutureProgressPrivate;
 
 class CORE_EXPORT FutureProgress : public QWidget

src/plugins/coreplugin/progressmanager/progressmanager.cpp

@@ -33,6 +33,7 @@
 #include "progressbar.h"
 #include "progressview.h"
 #include "../actionmanager/actionmanager.h"
+#include "../actionmanager/command.h"
 #include "../icontext.h"
 #include "../coreconstants.h"
 #include "../icore.h"