Use stdint.h types throughout PDFium.

core/src/fpdfdoc/doc_annot.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 "../../../third_party/base/nonstd_unique_ptr.h"
 #include "../../include/fpdfdoc/fpdf_doc.h"
 #include "../../include/fpdfapi/fpdf_pageobj.h"
 
@@ skipping 311 matching lines @@
         pDashArray = pBS->GetArray("D");
         style_char = style[1];
         width = pBS->GetNumber("W");
     }
     if (width <= 0) {
         return;
     }
     CPDF_Array* pColor = m_pAnnotDict->GetArray("C");
     FX_DWORD argb = 0xff000000;
     if (pColor != NULL) {
-        int R = (FX_INT32)(pColor->GetNumber(0) * 255);
-        int G = (FX_INT32)(pColor->GetNumber(1) * 255);
-        int B = (FX_INT32)(pColor->GetNumber(2) * 255);
+        int R = (int32_t)(pColor->GetNumber(0) * 255);
+        int G = (int32_t)(pColor->GetNumber(1) * 255);
+        int B = (int32_t)(pColor->GetNumber(2) * 255);
         argb = ArgbEncode(0xff, R, G, B);
     }
     CPDF_GraphStateData graph_state;
     graph_state.m_LineWidth = width;
     if (style_char == 'D') {
         if (pDashArray) {
             FX_DWORD dash_count = pDashArray->GetCount();
             if (dash_count % 2) {
                 dash_count++;
             }
@@ skipping 16 matching lines @@
     GetRect(rect);
     CPDF_PathData path;
     width /= 2;
     path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width, rect.top - width);
     int fill_type = 0;
     if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) {
         fill_type |= FXFILL_NOPATHSMOOTH;
     }
     pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type);
 }