Getting service process on Mac to handle having things moved/changed underneath it.

base/file_path_component_watcher_linux.cc

Index: base/file_path_component_watcher_linux.cc
diff --git a/base/file_path_component_watcher_linux.cc b/base/file_path_component_watcher_linux.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3f9ca6fc7f2c62e46b790c1a750bf60f411eb6e5
--- /dev/null
+++ b/base/file_path_component_watcher_linux.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 2011 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.
+
+// FilePathComponentWatcher is not currently implemented on Linux.
+
+#include "base/file_path_component_watcher.h"
+
+namespace base {
+
+namespace {
+
+class FilePathComponentWatcherImpl 
+    : public FilePathComponentWatcher::PlatformDelegate {
+ public:
+  virtual bool Watch(const FilePath& path, 
+                     FilePathComponentWatcher::Delegate* delegate) {
+    return false;
+  }
+};
+
+} // namespace
+
+FilePathComponentWatcher::FilePathComponentWatcher() {
+  impl_ = new FilePathComponentWatcherImpl();
+}
+
+}  // namespace base