Support removeRecursively and new copy/move behaviors for FileSystem API

chrome/browser/file_system/file_system_dispatcher_host.cc

Index: chrome/browser/file_system/file_system_dispatcher_host.cc
diff --git a/chrome/browser/file_system/file_system_dispatcher_host.cc b/chrome/browser/file_system/file_system_dispatcher_host.cc
index 18daec8dac9c594c292909d86a5d8e8e72103918..5388bb221303620f0417091d903072379567dc82 100644
--- a/chrome/browser/file_system/file_system_dispatcher_host.cc
+++ b/chrome/browser/file_system/file_system_dispatcher_host.cc
@@ -161,10 +161,11 @@ void FileSystemDispatcherHost::OnCopy(
   GetNewOperation(request_id)->Copy(src_path, dest_path);
 }
 
-void FileSystemDispatcherHost::OnRemove(int request_id, const FilePath& path) {
+void FileSystemDispatcherHost::OnRemove(
+    int request_id, const FilePath& path, bool recursive) {
   if (!CheckValidFileSystemPath(path, request_id))
     return;
-  GetNewOperation(request_id)->Remove(path);
+  GetNewOperation(request_id)->Remove(path, recursive);
 }
 
 void FileSystemDispatcherHost::OnReadMetadata(