Make code compile with clang_use_chrome_plugin (part I)

core/fpdfapi/fpdf_render/cpdf_pagerendercache.h

 // 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
 
 #ifndef CORE_FPDFAPI_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_
 #define CORE_FPDFAPI_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_
 
 #include <map>
 
 #include "core/fxcrt/include/fx_system.h"
 
 class CPDF_Stream;
 class CPDF_ImageCacheEntry;
 class CPDF_Page;
 class CPDF_RenderStatus;
 class CFX_DIBitmap;
 class CFX_DIBSource;
 class IFX_Pause;
 
 class CPDF_PageRenderCache {
  public:
-  explicit CPDF_PageRenderCache(CPDF_Page* pPage)
-      : m_pPage(pPage),
-        m_pCurImageCacheEntry(nullptr),
-        m_nTimeCount(0),
-        m_nCacheSize(0),
-        m_bCurFindCache(FALSE) {}
+  explicit CPDF_PageRenderCache(CPDF_Page* pPage);
   ~CPDF_PageRenderCache();
 
   uint32_t EstimateSize();
   void CacheOptimization(int32_t dwLimitCacheSize);
   uint32_t GetTimeCount() const { return m_nTimeCount; }
   void SetTimeCount(uint32_t dwTimeCount) { m_nTimeCount = dwTimeCount; }
 
   void GetCachedBitmap(CPDF_Stream* pStream,
                        CFX_DIBSource*& pBitmap,
                        CFX_DIBSource*& pMask,
@@ skipping 27 matching lines @@
 
   CPDF_Page* const m_pPage;
   CPDF_ImageCacheEntry* m_pCurImageCacheEntry;
   std::map<CPDF_Stream*, CPDF_ImageCacheEntry*> m_ImageCache;
   uint32_t m_nTimeCount;
   uint32_t m_nCacheSize;
   FX_BOOL m_bCurFindCache;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_