ASSERT -> DCHECK in core/editing.

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 25 matching lines @@
 
 SplitTextNodeCommand::SplitTextNodeCommand(Text* text, int offset)
     : SimpleEditCommand(text->document())
     , m_text2(text)
     , m_offset(offset)
 {
     // NOTE: Various callers rely on the fact that the original node becomes
     // the second node (i.e. the new node is inserted before the existing one).
     // That is not a fundamental dependency (i.e. it could be re-coded), but
     // rather is based on how this code happens to work.
-    ASSERT(m_text2);
-    ASSERT(m_text2->length() > 0);
-    ASSERT(m_offset > 0);
-    ASSERT(m_offset < m_text2->length());
+    DCHECK(m_text2);
+    DCHECK_GT(m_text2->length(), 0u);
+    DCHECK_GT(m_offset, 0u);
+    DCHECK_LT(m_offset, m_text2->length());
 }
 
 void SplitTextNodeCommand::doApply(EditingState*)
 {
     ContainerNode* parent = m_text2->parentNode();
     if (!parent || !parent->hasEditableStyle())
         return;
 
     String prefixText = m_text2->substringData(0, m_offset, IGNORE_EXCEPTION);
     if (prefixText.isEmpty())
         return;
 
     m_text1 = Text::create(document(), prefixText);
-    ASSERT(m_text1);
+    DCHECK(m_text1);
     document().markers().copyMarkers(m_text2.get(), 0, m_offset, m_text1.get(), 0);
 
     insertText1AndTrimText2();
 }
 
 void SplitTextNodeCommand::doUnapply()
 {
     if (!m_text1 || !m_text1->hasEditableStyle())
         return;
 
-    ASSERT(m_text1->document() == document());
+    DCHECK_EQ(m_text1->document(), document());
 
     String prefixText = m_text1->data();
 
     m_text2->insertData(0, prefixText, ASSERT_NO_EXCEPTION, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
 
     document().markers().copyMarkers(m_text1.get(), 0, prefixText.length(), m_text2.get(), 0);
     m_text1->remove(ASSERT_NO_EXCEPTION);
 }
 
 void SplitTextNodeCommand::doReapply()
@@ skipping 18 matching lines @@
 }
 
 DEFINE_TRACE(SplitTextNodeCommand)
 {
     visitor->trace(m_text1);
     visitor->trace(m_text2);
     SimpleEditCommand::trace(visitor);
 }
 
 } // namespace blink