Add a file I forgot in the last change.

base/file_version_info_linux.cc

Index: base/file_version_info_linux.cc
diff --git a/base/file_version_info_linux.cc b/base/file_version_info_linux.cc
new file mode 100644
index 0000000000000000000000000000000000000000..69bfa4df13867b652a13e604c0ee93182fe0b8db
--- /dev/null
+++ b/base/file_version_info_linux.cc
@@ -0,0 +1,25 @@
+// Copyright (c) 2008 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 "base/file_version_info.h"
+
+#include <string>
+
+#include "base/logging.h"
+
+// TODO(port): Replace stubs with real implementations.
+
+FileVersionInfo::~FileVersionInfo() {}
+
+// static
+FileVersionInfo* FileVersionInfo::CreateFileVersionInfoForCurrentModule() {
+  NOTIMPLEMENTED();
+  return NULL;
+}
+
+std::wstring FileVersionInfo::product_version() {
+  // When un-stubbing, implementation in file_version_info.cc should be ok.
+  NOTIMPLEMENTED();
+  return L"";
+}