Move FilePathWatcher to base/files.

base/files/file_path_watcher_linux.cc

Index: base/files/file_path_watcher_linux.cc
diff --git a/content/common/file_path_watcher/file_path_watcher_inotify.cc b/base/files/file_path_watcher_linux.cc
similarity index 99%
rename from content/common/file_path_watcher/file_path_watcher_inotify.cc
rename to base/files/file_path_watcher_linux.cc
index f91756f6efe8d20493f849c76ac63e9f9a392756..0fb10e4590e448dadb90f23e5492e153efce0297 100644
--- a/content/common/file_path_watcher/file_path_watcher_inotify.cc
+++ b/base/files/file_path_watcher_linux.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/common/file_path_watcher/file_path_watcher.h"
+#include "base/files/file_path_watcher.h"
 
 #include <errno.h>
 #include <string.h>
@@ -29,6 +29,9 @@
 #include "base/task.h"
 #include "base/threading/thread.h"
 
+namespace base {
+namespace files {
+
 namespace {
 
 class FilePathWatcherImpl;
@@ -454,3 +457,6 @@ bool FilePathWatcherImpl::UpdateWatches() {
 FilePathWatcher::FilePathWatcher() {
   impl_ = new FilePathWatcherImpl();
 }
+
+}  // namespace files
+}  // namespace base