Split off CPDF_Document into its own .cpp/.h files.

core/src/fpdfapi/fpdf_parser/cpdf_document.cpp

 // Copyright 2014 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/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fpdfapi/cpdf_document.h"
 
 #include <set>
 
 #include "core/include/fpdfapi/fpdf_module.h"
+#include "core/include/fpdfapi/fpdf_parser.h"
+#include "core/include/fxge/fx_font.h"
+#include "core/src/fpdfapi/fpdf_render/render_int.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
 
 int CountPages(CPDF_Dictionary* pPages,
                std::set<CPDF_Dictionary*>* visited_pages) {
   int count = pPages->GetIntegerBy("Count");
   if (count > 0 && count < FPDF_PAGE_MAX_NUM) {
     return count;
   }
@@ skipping 307 matching lines @@
 
 void CPDF_Document::ClearPageData() {
   if (m_pDocPage)
     CPDF_ModuleMgr::Get()->GetPageModule()->ClearDoc(this);
 }
 
 void CPDF_Document::ClearRenderData() {
   if (m_pDocRender)
     CPDF_ModuleMgr::Get()->GetRenderModule()->ClearDocData(m_pDocRender);
 }
+
+void CPDF_Document::ClearRenderFont() {
+  if (m_pDocRender) {

[dsinclair, 2016/03/08 20:57:08]

if (!m_pDocReader)
  return;
?

[Tom Sepez, 2016/03/08 21:10:30]

Done.

+    CFX_FontCache* pCache = m_pDocRender->GetFontCache();
+    if (pCache) {
+      pCache->FreeCache(FALSE);
+    }

[dsinclair, 2016/03/08 20:57:08]

nit: remove {}

[Tom Sepez, 2016/03/08 21:10:30]

Done.

+  }
+}