Migrates legacy packaged app data when it's upgraded to a platform app

storage/browser/fileapi/obfuscated_file_util.cc

Index: storage/browser/fileapi/obfuscated_file_util.cc
diff --git a/storage/browser/fileapi/obfuscated_file_util.cc b/storage/browser/fileapi/obfuscated_file_util.cc
index fb671e7a86eacdec81d743ab39f439e5f6a3af05..4d1f477b98462999be1e8b5ca326c94829c1d3d0 100644
--- a/storage/browser/fileapi/obfuscated_file_util.cc
+++ b/storage/browser/fileapi/obfuscated_file_util.cc
@@ -904,6 +904,19 @@ bool ObfuscatedFileUtil::DeleteDirectoryForOriginAndType(
   return true;
 }
 
+void ObfuscatedFileUtil::CloseFileSystemForOriginAndType(
+    const GURL& origin,
+    const std::string& type_string) {
+  std::string key = GetDirectoryDatabaseKey(origin, type_string);
+  if (key.empty())
+    return;
+  DirectoryMap::iterator iter = directories_.find(key);
+  if (iter == directories_.end())
+    return;
+  scoped_ptr<SandboxDirectoryDatabase> database(iter->second);
+  directories_.erase(iter);
+}
+
 ObfuscatedFileUtil::AbstractOriginEnumerator*
 ObfuscatedFileUtil::CreateOriginEnumerator() {
   std::vector<SandboxOriginDatabase::OriginRecord> origins;