Add explicit base to FilePath.

ppapi/proxy/ppapi_param_traits.cc

 // Copyright (c) 2012 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/proxy/ppapi_param_traits.h"
 
 #include <string.h>  // For memcpy
 
 #include "ppapi/c/pp_file_info.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 557 matching lines @@
                                                const param_type& p) {
   WriteParam(m, static_cast<unsigned>(p.domain()));
   WriteParam(m, p.path());
 }
 
 // static
 bool ParamTraits<ppapi::PepperFilePath>::Read(const Message* m,
                                               PickleIterator* iter,
                                               param_type* p) {
   unsigned domain;
-  FilePath path;
+  base::FilePath path;
   if (!ReadParam(m, iter, &domain) || !ReadParam(m, iter, &path))
     return false;
   if (domain > ppapi::PepperFilePath::DOMAIN_MAX_VALID)
     return false;
 
   *p = ppapi::PepperFilePath(
       static_cast<ppapi::PepperFilePath::Domain>(domain), path);
   return true;
 }
 
@@ skipping 44 matching lines @@
                                                           param_type* r) {
   return ParamTraits<ListValue>::Read(m, iter, &(r->values_));
 }
 
 // static
 void ParamTraits<ppapi::PPB_X509Certificate_Fields>::Log(const param_type& p,
                                                          std::string* l) {
 }
 
 }  // namespace IPC