BinEditor: Drop the widget() from the EditorInterface

It's accessible via editor(), which we now have also for the
detached memory views.

Change-Id: Ibce6a0e3b753b3beb5c5a8eac67b11b352dcc250
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/bineditor/bineditorplugin.cpp

@@ -2220,10 +2220,7 @@ public:
             codecChooser->setAssignedCodec(QTextCodec::codecForName(setting.toByteArray()));
     }
 
-    ~BinEditorImpl() final
-    {
-        delete m_widget;
-    }
+    ~BinEditorImpl() final { delete m_widget; }
 
     IDocument *document() const final { return m_document.get(); }
 
@@ -2238,8 +2235,7 @@ public:
     }
 
     // Service interface
-    QWidget *widget() { return m_widget; }
-    Core::IEditor *editor() { return this; }
+    IEditor *editor() { return this; }
 
     // "Slots"
     void setSizes(quint64 address, qint64 range, int blockSize)

src/plugins/bineditor/bineditorservice.h

@@ -20,7 +20,6 @@ class EditorService
 public:
     virtual ~EditorService() = default;
 
-    virtual QWidget *widget() = 0;
     virtual Core::IEditor *editor() = 0;
 
     // "Slots"

src/plugins/debugger/memoryagent.cpp

@@ -52,7 +52,7 @@ public:
     {
         setAttribute(Qt::WA_DeleteOnClose);
         auto layout = new QVBoxLayout(this);
-        layout->addWidget(service->widget());
+        layout->addWidget(service->editor()->widget());
         layout->setContentsMargins(0, 0, 0, 0);
         setMinimumWidth(400);
         resize(800, 200);