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

base/file_util_mac.mm

Index: base/file_util_mac.mm
diff --git a/base/file_util_mac.mm b/base/file_util_mac.mm
index 95d4f25722a9d9859ff4dd169bf23bef6a248db1..e7eaaf5513c9498a8d16fa51209e81882d15f613 100644
--- a/base/file_util_mac.mm
+++ b/base/file_util_mac.mm
@@ -4,11 +4,14 @@
 
 #include "base/file_util.h"
 
+#include <CoreServices/CoreServices.h>
 #import <Foundation/Foundation.h>
 #include <copyfile.h>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
+#include "base/logging.h"
+#include "base/mac/mac_util.h"
 #include "base/string_util.h"
 #include "base/threading/thread_restrictions.h"
 
@@ -32,4 +35,40 @@ bool CopyFile(const FilePath& from_path, const FilePath& to_path) {
                    to_path.value().c_str(), NULL, COPYFILE_ALL) == 0);
 }
 
+bool IsInTrash(const FilePath& path) {
+  FSRef ref;
+  if (!base::mac::FSRefFromPath(path.value(), &ref)) {
+    LOG(ERROR) << "Unable to get FSREf for " << path.value();
+    return false;
+  }
+  Boolean result = false;
+  OSStatus err = FSDetermineIfRefIsEnclosedByFolder(
+      kOnAppropriateDisk, kTrashFolderType, &ref, &result);
+  if (err != noErr) {
+    LOG(ERROR) << "Unable to determine if " << path.value() 
+               << "is in trash (" << err << ")";
+    result = false;
+  }
+  return result;
+}
+
+bool MoveToTrash(const FilePath& path, FilePath* new_path) {
+  FSRef path_ref;
+  FSRef new_path_ref;
+  if (!base::mac::FSRefFromPath(path.value(), &path_ref)) {
+    LOG(ERROR) << "Unable to get FSREf for " << path.value();
+    return false;
+  }
+  OSStatus status = FSMoveObjectToTrashSync(&path_ref, &new_path_ref, 
+                                            kFSFileOperationDefaultOptions);
+  if (status != noErr) {
+    LOG(ERROR) << "MoveToTrash " << status;
+    return false;
+  }
+  if (new_path) {
+    *new_path = FilePath(base::mac::PathFromFSRef(new_path_ref));
+  }
+  return true;
+}
+
 }  // namespace