Fix up some types in the API.

ppapi/cpp/url_request_info.h

 // 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.
 
 #ifndef PPAPI_CPP_URL_REQUEST_INFO_H_
 #define PPAPI_CPP_URL_REQUEST_INFO_H_
 
 #include "ppapi/c/ppb_url_request_info.h"
 #include "ppapi/cpp/resource.h"
 #include "ppapi/cpp/var.h"
 
 namespace pp {
 
 class FileRef_Dev;
 class Instance;
 
 class URLRequestInfo : public Resource {
  public:
   // Creates an is_null resource.
   URLRequestInfo() {}
 
   explicit URLRequestInfo(Instance* instance);
   URLRequestInfo(const URLRequestInfo& other);
 
   // PPB_URLRequestInfo methods:
   bool SetProperty(PP_URLRequestProperty property, const Var& value);
-  bool AppendDataToBody(const char* data, uint32_t len);
+  bool AppendDataToBody(const void* data, uint32_t len);
   bool AppendFileToBody(const FileRef_Dev& file_ref,
                         PP_Time expected_last_modified_time = 0);
   bool AppendFileRangeToBody(const FileRef_Dev& file_ref,
                              int64_t start_offset,
                              int64_t length,
                              PP_Time expected_last_modified_time = 0);
 
   // Convenient helpers for setting properties:
   bool SetURL(const Var& url_string) {
     return SetProperty(PP_URLREQUESTPROPERTY_URL, url_string);
@@ skipping 15 matching lines @@
   }
   // To use the default referrer, set url_string to an Undefined Var.
   bool SetCustomReferrerURL(const Var& url_string) {
     return SetProperty(PP_URLREQUESTPROPERTY_CUSTOMREFERRERURL, url_string);
   }
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_URL_REQUEST_INFO_H_