Replace FilePath with base::FilePath.

printing/backend/print_backend_cups.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 "printing/backend/print_backend.h"
 
 #include "build/build_config.h"
 
 #include <dlfcn.h>
 #include <errno.h>
@@ skipping 309 matching lines @@
 int PrintBackendCUPS::GetDests(cups_dest_t** dests) {
   if (print_server_url_.is_empty()) {  // Use default (local) print server.
     return cupsGetDests(dests);
   } else {
     HttpConnectionCUPS http(print_server_url_, cups_encryption_);
     http.SetBlocking(blocking_);
     return cupsGetDests2(http.http(), dests);
   }
 }
 
-FilePath PrintBackendCUPS::GetPPD(const char* name) {
+base::FilePath PrintBackendCUPS::GetPPD(const char* name) {
   // cupsGetPPD returns a filename stored in a static buffer in CUPS.
   // Protect this code with lock.
   CR_DEFINE_STATIC_LOCAL(base::Lock, ppd_lock, ());
   base::AutoLock ppd_autolock(ppd_lock);
   base::FilePath ppd_path;
   const char* ppd_file_path = NULL;
   if (print_server_url_.is_empty()) {  // Use default (local) print server.
     ppd_file_path = cupsGetPPD(name);
     if (ppd_file_path)
       ppd_path = base::FilePath(ppd_file_path);
@@ skipping 29 matching lines @@
                    << ", HTTP error: " << http_error;
         file_util::Delete(ppd_path, false);
         ppd_path.clear();
       }
     }
   }
   return ppd_path;
 }
 
 }  // namespace printing