ASSERT -> DCHECK in core/editing.

third_party/WebKit/Source/core/editing/commands/DeleteFromTextNodeCommand.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 19 matching lines @@
 #include "core/dom/Text.h"
 
 namespace blink {
 
 DeleteFromTextNodeCommand::DeleteFromTextNodeCommand(Text* node, unsigned offset, unsigned count)
     : SimpleEditCommand(node->document())
     , m_node(node)
     , m_offset(offset)
     , m_count(count)
 {
-    ASSERT(m_node);
-    ASSERT(m_offset <= m_node->length());
-    ASSERT(m_offset + m_count <= m_node->length());
+    DCHECK(m_node);
+    DCHECK_LE(m_offset, m_node->length());
+    DCHECK_LE(m_offset + m_count, m_node->length());
 }
 
 void DeleteFromTextNodeCommand::doApply(EditingState*)
 {
-    ASSERT(m_node);
+    DCHECK(m_node);
 
     if (!m_node->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable))
         return;
 
     TrackExceptionState exceptionState;
     m_text = m_node->substringData(m_offset, m_count, exceptionState);
     if (exceptionState.hadException())
         return;
 
     m_node->deleteData(m_offset, m_count, exceptionState, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
 }
 
 void DeleteFromTextNodeCommand::doUnapply()
 {
-    ASSERT(m_node);
+    DCHECK(m_node);
 
     if (!m_node->hasEditableStyle())
         return;
 
     m_node->insertData(m_offset, m_text, IGNORE_EXCEPTION, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
 }
 
 DEFINE_TRACE(DeleteFromTextNodeCommand)
 {
     visitor->trace(m_node);
     SimpleEditCommand::trace(visitor);
 }
 
 } // namespace blink