Allow building of XFA branch without XFA

fpdfsdk/src/fpdfxfa/fpdfxfa_app.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 "../../../public/fpdf_formfill.h"
 #include "../../include/fsdk_define.h"
 #include "../../include/fsdk_mgr.h"
 #include "../../include/fpdfxfa/fpdfxfa_doc.h"
@@ skipping 25 matching lines @@
   m_pEnvList.RemoveAll();
 }
 
 CPDFXFA_App::~CPDFXFA_App() {
   delete m_pFontMgr;
   m_pFontMgr = NULL;
 
   delete m_pXFAApp;
   m_pXFAApp = NULL;
 
+#ifdef PDF_ENABLE_XFA
   FXJSE_Runtime_Release(m_hJSERuntime);
   m_hJSERuntime = NULL;
 
   FXJSE_Finalize();
   BC_Library_Destory();
+#endif
 }
 
 FX_BOOL CPDFXFA_App::Initialize() {
+#ifdef PDF_ENABLE_XFA
   BC_Library_Init();
   FXJSE_Initialize();
 
   m_hJSERuntime = FXJSE_Runtime_Create();
   if (!m_hJSERuntime)
     return FALSE;
 
   m_pXFAApp = IXFA_App::Create(this);
   if (!m_pXFAApp)
     return FALSE;
 
   m_pFontMgr = IXFA_FontMgr::CreateDefault();
   if (!m_pFontMgr)
     return FALSE;
 
   m_pXFAApp->SetDefaultFontMgr(m_pFontMgr);
+#endif
   return TRUE;
 }
 
 FX_BOOL CPDFXFA_App::AddFormFillEnv(CPDFDoc_Environment* pEnv) {
   if (!pEnv)
     return FALSE;
 
   m_pEnvList.Add(pEnv);
   return TRUE;
 }
@@ skipping 443 matching lines @@
   return FALSE;
 }
 
 IFWL_AdapterTimerMgr* CPDFXFA_App::GetTimerMgr() {
   CXFA_FWLAdapterTimerMgr* pAdapter = NULL;
   CPDFDoc_Environment* pEnv = m_pEnvList.GetAt(0);
   if (pEnv)
     pAdapter = new CXFA_FWLAdapterTimerMgr(pEnv);
   return pAdapter;
 }