Revert "Remove FX_Alloc() null checks now that it can't return NULL."

fpdfsdk/src/pdfwindow/PWL_Edit.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 "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_EditCtrl.h"
 #include "../../include/pdfwindow/PWL_Edit.h"
@@ skipping 408 matching lines @@
         if (nCharArray > 0 && nCharArraySafe.IsValid())
         {
                 switch (GetBorderStyle())
                 {
                 case PBS_SOLID:
                         {
                                 CFX_GraphStateData gsd;
                                 gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
 
                                 CFX_PathData path;
-                                path.SetPointCount(nCharArraySafe.ValueOrDie());
-
+                                if (!path.SetPointCount(nCharArraySafe.ValueOrDie())) {
+                                        return;
+                                }
+                                
                                 for (FX_INT32 i=0; i<nCharArray-1; i++)
-                                {
-                                        path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
+                                {                                       
+                                        path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1), 
                                                 rcClient.bottom, FXPT_MOVETO);
                                         path.SetPoint(i*2+1, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
-                                                rcClient.top, FXPT_LINETO);
-                                }
+                                                rcClient.top, FXPT_LINETO);                                                                                     
+                                }                       
                                 if (path.GetPointCount() > 0)
                                         pDevice->DrawPath(&path, pUser2Device, &gsd,0,  
                                                 CPWL_Utils::PWLColorToFXColor(GetBorderColor(),255), FXFILL_ALTERNATE);
                         }
                         break; 
                 case PBS_DASH:
                         {
                                 CFX_GraphStateData gsd;
                                 gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
 
                                 gsd.SetDashCount(2);
                                 gsd.m_DashArray[0] = (FX_FLOAT)GetBorderDash().nDash;
                                 gsd.m_DashArray[1] = (FX_FLOAT)GetBorderDash().nGap;
                                 gsd.m_DashPhase = (FX_FLOAT)GetBorderDash().nPhase;
 
                                 CFX_PathData path;
-                                path.SetPointCount(nCharArraySafe.ValueOrDie());
-
+                                if (!path.SetPointCount(nCharArraySafe.ValueOrDie())) {
+                                        return;
+                                }
+                                
                                 for (FX_INT32 i=0; i<nCharArray-1; i++)
-                                {
-                                        path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
+                                {                                       
+                                        path.SetPoint(i*2, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1), 
                                                 rcClient.bottom, FXPT_MOVETO);
                                         path.SetPoint(i*2+1, rcClient.left + ((rcClient.right - rcClient.left)/nCharArray)*(i+1),
-                                                rcClient.top, FXPT_LINETO);
-                                }
+                                                rcClient.top, FXPT_LINETO);                                                                                     
+                                }               
                                 if (path.GetPointCount() > 0)
-                                        pDevice->DrawPath(&path, pUser2Device, &gsd,0,
+                                        pDevice->DrawPath(&path, pUser2Device, &gsd,0,  
                                                 CPWL_Utils::PWLColorToFXColor(GetBorderColor(),255), FXFILL_ALTERNATE);
                         }
                         break;
                 }               
         }
 
         CPDF_Rect rcClip;
         CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
         CPVT_WordRange* pRange = NULL;
 
@@ skipping 836 matching lines @@
         IFX_Edit::GeneratePageObjects(pPageObjects, m_pEdit, ptOffset, NULL, CPWL_Utils::PWLColorToFXColor(GetTextColor(),GetTransparency()), ObjArray);
 }
 
 void CPWL_Edit::GeneratePageObjects(CPDF_PageObjects* pPageObjects, 
                                                                         const CPDF_Point& ptOffset)
 {
         CFX_ArrayTemplate<CPDF_TextObject*> ObjArray;
         IFX_Edit::GeneratePageObjects(pPageObjects, m_pEdit, ptOffset, NULL, CPWL_Utils::PWLColorToFXColor(GetTextColor(),GetTransparency()), ObjArray);
 }