Switch to standard integer types in ppapi/.

ppapi/c/private/ppp_pdf.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_C_PRIVATE_PPP_PDF_H_
 #define PPAPI_C_PRIVATE_PPP_PDF_H_
 
+#include <stdint.h>
+
 #include "ppapi/c/dev/pp_print_settings_dev.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_var.h"
 
 #define PPP_PDF_INTERFACE_1 "PPP_Pdf;1"
 #define PPP_PDF_INTERFACE PPP_PDF_INTERFACE_1
 
 typedef enum {
   // Rotates the page 90 degrees clockwise from its current orientation.
@@ skipping 41 matching lines @@
 
   // Return true if print preset options are updated from document.
   PP_Bool (*GetPrintPresetOptionsFromDocument)(
       PP_Instance instance,
       PP_PdfPrintPresetOptions_Dev* options);
 };
 
 typedef PPP_Pdf_1_1 PPP_Pdf;
 
 #endif  // PPAPI_C_PRIVATE_PPP_PDF_H_