[InputEvent] Distinguish between soft line and hard line

third_party/WebKit/Source/core/editing/EditingUtilities.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 74 matching lines @@
     InputEvent::InputType inputType) {
   using InputType = InputEvent::InputType;
   switch (inputType) {
     case InputType::InsertText:
     case InputType::InsertLineBreak:
     case InputType::InsertParagraph:
     case InputType::InsertCompositionText:
     case InputType::InsertReplacementText:
     case InputType::DeleteWordBackward:
     case InputType::DeleteWordForward:
-    case InputType::DeleteLineBackward:
-    case InputType::DeleteLineForward:
+    case InputType::DeleteSoftLineBackward:
+    case InputType::DeleteSoftLineForward:
+    case InputType::DeleteHardLineBackward:
+    case InputType::DeleteHardLineForward:
     case InputType::DeleteContentBackward:
     case InputType::DeleteContentForward:
       return InputEvent::EventCancelable::NotCancelable;
     default:
       return InputEvent::EventCancelable::IsCancelable;
   }
 }
 
 }  // namespace
 
@@ skipping 2022 matching lines @@
 
 InputEvent::InputType deletionInputTypeFromTextGranularity(
     DeleteDirection direction,
     TextGranularity granularity) {
   using InputType = InputEvent::InputType;
   switch (direction) {
     case DeleteDirection::Forward:
       if (granularity == WordGranularity)
         return InputType::DeleteWordForward;
       if (granularity == LineBoundary)
-        return InputType::DeleteLineForward;
+        return InputType::DeleteSoftLineForward;
+      if (granularity == ParagraphBoundary)
+        return InputType::DeleteHardLineForward;
       return InputType::DeleteContentForward;
     case DeleteDirection::Backward:
       if (granularity == WordGranularity)
         return InputType::DeleteWordBackward;
       if (granularity == LineBoundary)
-        return InputType::DeleteLineBackward;
+        return InputType::DeleteSoftLineBackward;
+      if (granularity == ParagraphBoundary)
+        return InputType::DeleteHardLineBackward;
       return InputType::DeleteContentBackward;
     default:
       return InputType::None;
   }
 }
 
 }  // namespace blink