Add FilePath to base namespace.

webkit/fileapi/file_system_file_stream_reader.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 "webkit/fileapi/file_system_file_stream_reader.h"
 
 #include "base/files/file_util_proxy.h"
 #include "base/platform_file.h"
 #include "base/single_thread_task_runner.h"
 #include "net/base/file_stream.h"
@@ skipping 89 matching lines @@
                  callback,
                  error_callback));
   return net::ERR_IO_PENDING;
 }
 
 void FileSystemFileStreamReader::DidCreateSnapshot(
     const base::Closure& callback,
     const net::CompletionCallback& error_callback,
     base::PlatformFileError file_error,
     const base::PlatformFileInfo& file_info,
-    const FilePath& platform_path,
+    const base::FilePath& platform_path,
     const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
   DCHECK(has_pending_create_snapshot_);
   DCHECK(!local_file_reader_.get());
   has_pending_create_snapshot_ = false;
 
   if (file_error != base::PLATFORM_FILE_OK) {
     error_callback.Run(net::PlatformFileErrorToNetError(file_error));
     return;
   }
 
   // Keep the reference (if it's non-null) so that the file won't go away.
   snapshot_ref_ = file_ref;
 
   local_file_reader_.reset(
       new LocalFileStreamReader(
           file_system_context_->task_runners()->file_task_runner(),
           platform_path, initial_offset_, expected_modification_time_));
 
   callback.Run();
 }
 
 }  // namespace fileapi