Merge to XFA: Get rid of most instance of 'foo != NULL'

core/src/fpdfapi/fpdf_render/render_int.h

 // 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
 
 #ifndef CORE_SRC_FPDFAPI_FPDF_RENDER_RENDER_INT_H_
 #define CORE_SRC_FPDFAPI_FPDF_RENDER_RENDER_INT_H_
 
 #include <map>
@@ skipping 366 matching lines @@
   FX_BOOL DrawPatternImage(const CFX_Matrix* pObj2Device);
 };
 
 class CPDF_ScaledRenderBuffer {
  public:
   CPDF_ScaledRenderBuffer();
   ~CPDF_ScaledRenderBuffer();
 
   FX_BOOL Initialize(CPDF_RenderContext* pContext,
                      CFX_RenderDevice* pDevice,
-                     FX_RECT* pRect,
+                     const FX_RECT& pRect,
                      const CPDF_PageObject* pObj,
                      const CPDF_RenderOptions* pOptions = NULL,
                      int max_dpi = 0);
   CFX_RenderDevice* GetDevice() {
     return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice;
   }
   CFX_Matrix* GetMatrix() { return &m_Matrix; }
   void OutputToDevice();
 
  private:
@@ skipping 242 matching lines @@
   const uint8_t* m_RampB;
 };
 
 struct _CPDF_UniqueKeyGen {
   void Generate(int count, ...);
   FX_CHAR m_Key[128];
   int m_KeyLen;
 };
 
 #endif  // CORE_SRC_FPDFAPI_FPDF_RENDER_RENDER_INT_H_