Fix up some types in the API.

ppapi/cpp/url_request_info.cc

 // Copyright (c) 2010 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.
 
 #include "ppapi/cpp/url_request_info.h"
 
 #include "ppapi/cpp/common.h"
 #include "ppapi/cpp/dev/file_ref_dev.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
@@ skipping 21 matching lines @@
 }
 
 bool URLRequestInfo::SetProperty(PP_URLRequestProperty property,
                                  const Var& value) {
   if (!has_interface<PPB_URLRequestInfo>())
     return false;
   return PPBoolToBool(get_interface<PPB_URLRequestInfo>()->SetProperty(
       pp_resource(), property, value.pp_var()));
 }
 
-bool URLRequestInfo::AppendDataToBody(const char* data, uint32_t len) {
+bool URLRequestInfo::AppendDataToBody(const void* data, uint32_t len) {
   if (!has_interface<PPB_URLRequestInfo>())
     return false;
   return PPBoolToBool(get_interface<PPB_URLRequestInfo>()->AppendDataToBody(
       pp_resource(), data, len));
 }
 
 bool URLRequestInfo::AppendFileToBody(const FileRef_Dev& file_ref,
                                       PP_Time expected_last_modified_time) {
   if (!has_interface<PPB_URLRequestInfo>())
     return false;
@@ skipping 16 matching lines @@
   return PPBoolToBool(
       get_interface<PPB_URLRequestInfo>()->AppendFileToBody(
           pp_resource(),
           file_ref.pp_resource(),
           start_offset,
           length,
           expected_last_modified_time));
 }
 
 }  // namespace pp