Add a DiffShowEditor showing an additional info

Task-number: QTCREATORBUG-9489

Change-Id: I3ae2e59ccaf397f4236505f21e027a42e2798784
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

src/plugins/diffeditor/diffeditorplugin.h

@@ -33,18 +33,9 @@
 #include "diffeditor_global.h"
 
 #include <extensionsystem/iplugin.h>
-#include <coreplugin/editormanager/ieditorfactory.h>
-#include <coreplugin/icontext.h>
-#include <coreplugin/idocument.h>
-
-#include <QStringList>
-
-namespace Core { class IEditor; }
 
 namespace DiffEditor {
 
-class DiffEditorWidget;
-
 namespace Internal {
 
 class DiffEditorPlugin : public ExtensionSystem::IPlugin
@@ -59,9 +50,6 @@ public:
     bool initialize(const QStringList &arguments, QString *errorMessage = 0);
     void extensionsInitialized();
 
-    // Connect editor to settings changed signals.
-    void initializeEditor(DiffEditorWidget *editor);
-
 private slots:
     void diff();
 
@@ -74,23 +62,6 @@ private:
 
 };
 
-class DiffEditorFactory : public Core::IEditorFactory
-{
-    Q_OBJECT
-
-public:
-    explicit DiffEditorFactory(DiffEditorPlugin *owner);
-
-    QStringList mimeTypes() const;
-    Core::IEditor *createEditor(QWidget *parent);
-    Core::Id id() const;
-    QString displayName() const;
-
-private:
-    const QStringList m_mimeTypes;
-    DiffEditorPlugin *m_owner;
-};
-
 } // namespace Internal
 } // namespace DiffEditor