Bug 1540043 - part 3: Remove `nsIPlaintextEditor` interface r=m_kato

Differential Revision: https://phabricator.services.mozilla.com/D61350

--HG--
extra : moz-landing-system : lando

editor/libeditor/EditorBase.cpp

@@ -216,7 +216,6 @@ NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EditorBase)
   NS_INTERFACE_MAP_ENTRY(nsISelectionListener)
   NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
   NS_INTERFACE_MAP_ENTRY(nsIEditor)
-  NS_INTERFACE_MAP_ENTRY(nsIPlaintextEditor)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIEditor)
 NS_INTERFACE_MAP_END
 

editor/libeditor/EditorBase.h

@@ -28,7 +28,6 @@
 #include "mozilla/dom/Document.h"
 #include "nsIContentInlines.h"       // for nsINode::IsEditable()
 #include "nsIEditor.h"               // for nsIEditor, etc.
-#include "nsIPlaintextEditor.h"      // for nsIPlaintextEditor, etc.
 #include "nsISelectionController.h"  // for nsISelectionController constants
 #include "nsISelectionListener.h"    // for nsISelectionListener
 #include "nsISupportsImpl.h"         // for EditorBase::Release, etc.
@@ -135,7 +134,7 @@ enum class SplitAtEdges {
  * delegate the actual commands to the editor independent of the XPFE
  * implementation.
  */
-class EditorBase : public nsIPlaintextEditor,
+class EditorBase : public nsIEditor,
                    public nsISelectionListener,
                    public nsSupportsWeakReference {
  public:

editor/moz.build

@@ -23,7 +23,6 @@ XPIDL_SOURCES += [
     'nsIHTMLEditor.idl',
     'nsIHTMLInlineTableEditor.idl',
     'nsIHTMLObjectResizer.idl',
-    'nsIPlaintextEditor.idl',
     'nsITableEditor.idl',
 ]
 

editor/nsIPlaintextEditor.idl

@@ -1,11 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "nsIEditor.idl"
-
-[scriptable, builtinclass, uuid(b74fb158-1265-4102-91eb-edd0136b49f8)]
-interface nsIPlaintextEditor : nsIEditor
-{
-};