XFA: merge patch from CL 792953005, fix most VC++ warnings

fpdfsdk/src/fpdfformfill.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/fpdfview.h"
 #include "../include/fpdfformfill.h"
 #include "../include/fsdk_define.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
@@ skipping 53 matching lines @@
                 pXFAAnnot = pWidgetIterator->MoveToNext();
                 while (pXFAAnnot) {
                         CFX_RectF rcBBox;
                         pWidgetHandler->GetBBox (pXFAAnnot, rcBBox, 0);
                         CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, rcBBox.top+rcBBox.height);
                         rcWidget.left -= 1.0f;
                         rcWidget.right += 1.0f;
                         rcWidget.bottom -= 1.0f;
                         rcWidget.top += 1.0f;
 
-                        if (rcWidget.Contains(page_x, page_y)) {
+                        if (rcWidget.Contains(static_cast<FX_FLOAT>(page_x),
+                                static_cast<FX_FLOAT>(page_y))) {
                                 pWidgetIterator->Release();
                                 return FPDF_FORMFIELD_XFA;
                         }
                         pXFAAnnot = pWidgetIterator->MoveToNext();
                 }
 
                 pWidgetIterator->Release();
         }
         
         return -1;
@@ skipping 644 matching lines @@
                         if (bExistCAAction)
                         {
                                 CPDF_Action action = aa.GetAction(CPDF_AAction::ClosePage);
                                 pActionHandler->DoAction_Page(action, CPDF_AAction::ClosePage, pSDKDoc);
                         }
                 }
         }
 }