Pass rect by const reference in SetClip_Rect().

xfa/src/fxgraphics/src/fx_graphics.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 <memory>
 
 #include "xfa/src/fxgraphics/src/fx_path_generator.h"
 #include "xfa/src/fxgraphics/src/pre.h"
@@ skipping 466 matching lines @@
       return FX_ERR_Succeeded;
     }
     default: { return FX_ERR_Property_Invalid; }
   }
 }
 FX_ERR CFX_Graphics::SetClipRect(const CFX_RectF& rect) {
   switch (_type) {
     case FX_CONTEXT_Device: {
       if (!_renderDevice)
         return FX_ERR_Property_Invalid;
-      FX_RECT r(FXSYS_round(rect.left), FXSYS_round(rect.top),
-                FXSYS_round(rect.right()), FXSYS_round(rect.bottom()));
-      FX_BOOL result = _renderDevice->SetClip_Rect(&r);
-      if (!result)
+      if (!_renderDevice->SetClip_Rect(
+              FX_RECT(FXSYS_round(rect.left), FXSYS_round(rect.top),
+                      FXSYS_round(rect.right()), FXSYS_round(rect.bottom())))) {
         return FX_ERR_Method_Not_Supported;
+      }
       return FX_ERR_Succeeded;
     }
     default: { return FX_ERR_Property_Invalid; }
   }
 }
 FX_ERR CFX_Graphics::ClearClip() {
   switch (_type) {
     case FX_CONTEXT_Device: {
       if (!_renderDevice)
         return FX_ERR_Property_Invalid;
@@ skipping 1035 matching lines @@
     b3 = (int32_t)(i * bScale);
     _argbArray[i] =
         FXARGB_TODIB(FXARGB_MAKE((a1 + a3), (r1 + r3), (g1 + g3), (b1 + b3)));
   }
   return FX_ERR_Succeeded;
 }
 class CFX_Pause : public IFX_Pause {
  public:
   virtual FX_BOOL NeedToPauseNow() { return TRUE; }
 };