Splitting fpdfdoc/doc_* part II.

core/fpdfdoc/clines.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "core/fpdfdoc/clines.h"
 
+#include "core/fpdfdoc/cline.h"
+
 CLines::CLines() : m_nTotal(0) {}
 
 CLines::~CLines() {
   RemoveAll();
 }
 
 int32_t CLines::GetSize() const {
   return m_Lines.GetSize();
 }
 
@@ skipping 22 matching lines @@
   }
   return m_nTotal++;
 }
 
 void CLines::Clear() {
   for (int32_t i = GetSize() - 1; i >= m_nTotal; i--) {
     delete GetAt(i);
     m_Lines.RemoveAt(i);
   }
 }