[InputEvent] Distinguish between soft line and hard line

third_party/WebKit/Source/core/events/InputEvent.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef InputEvent_h
 #define InputEvent_h
 
 #include "core/clipboard/DataTransfer.h"
 #include "core/dom/Range.h"
 #include "core/dom/StaticRange.h"
@@ skipping 23 matching lines @@
     InsertHorizontalRule,
     InsertFromPaste,
     InsertFromDrop,
     InsertFromYank,
     InsertTranspose,
     InsertReplacementText,
     InsertCompositionText,
     // Deletion.
     DeleteWordBackward,
     DeleteWordForward,
-    DeleteLineBackward,
-    DeleteLineForward,
+    DeleteSoftLineBackward,
+    DeleteSoftLineForward,
+    DeleteHardLineBackward,
+    DeleteHardLineForward,
     DeleteContentBackward,
     DeleteContentForward,
     DeleteByCut,
     DeleteByDrag,
     // History.
     HistoryUndo,
     HistoryRedo,
     // Formatting.
     FormatBold,
     FormatItalic,
@@ skipping 74 matching lines @@
   explicit InputEventDispatchMediator(InputEvent*);
   InputEvent& event() const;
   DispatchEventResult dispatchEvent(EventDispatcher&) const override;
 };
 
 DEFINE_EVENT_TYPE_CASTS(InputEvent);
 
 }  // namespace blink
 
 #endif  // InputEvent_h