DocumentMarkerList refactor as an interface

third_party/WebKit/Source/core/editing/commands/SplitTextNodeCommand.cpp

 /*
  * Copyright (C) 2005, 2008 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 40 matching lines @@
   if (!parent || !HasEditableStyle(*parent))
     return;
 
   String prefix_text =
       text2_->substringData(0, offset_, IGNORE_EXCEPTION_FOR_TESTING);
   if (prefix_text.IsEmpty())
     return;
 
   text1_ = Text::Create(GetDocument(), prefix_text);
   DCHECK(text1_);
-  GetDocument().Markers().CopyMarkers(text2_.Get(), 0, offset_, text1_.Get(),
-                                      0);
+  GetDocument().Markers().MoveMarkers(text2_.Get(), offset_, text1_.Get());
 
   InsertText1AndTrimText2();
 }
 
 void SplitTextNodeCommand::DoUnapply() {
   if (!text1_ || !HasEditableStyle(*text1_))
     return;
 
   DCHECK_EQ(text1_->GetDocument(), GetDocument());
 
   String prefix_text = text1_->data();
 
   text2_->insertData(0, prefix_text, ASSERT_NO_EXCEPTION);
   GetDocument().UpdateStyleAndLayout();
 
-  GetDocument().Markers().CopyMarkers(text1_.Get(), 0, prefix_text.length(),
-                                      text2_.Get(), 0);
+  GetDocument().Markers().MoveMarkers(text1_.Get(), prefix_text.length(),
+                                      text2_.Get());
   text1_->remove(ASSERT_NO_EXCEPTION);
 }
 
 void SplitTextNodeCommand::DoReapply() {
   if (!text1_ || !text2_)
     return;
 
   ContainerNode* parent = text2_->parentNode();
   if (!parent || !HasEditableStyle(*parent))
     return;
 
+  GetDocument().Markers().MoveMarkers(text2_.Get(), offset_, text1_.Get());
+
   InsertText1AndTrimText2();
 }
 
 void SplitTextNodeCommand::InsertText1AndTrimText2() {
   DummyExceptionStateForTesting exception_state;
   text2_->parentNode()->InsertBefore(text1_.Get(), text2_.Get(),
                                      exception_state);
   if (exception_state.HadException())
     return;
   text2_->deleteData(0, offset_, exception_state);
   GetDocument().UpdateStyleAndLayout();
 }
 
 DEFINE_TRACE(SplitTextNodeCommand) {
   visitor->Trace(text1_);
   visitor->Trace(text2_);
   SimpleEditCommand::Trace(visitor);
 }
 
 }  // namespace blink