Reapply 61613 that was reverted for false valgrind alarm.

chrome/common/file_system/file_system_dispatcher.cc

Index: chrome/common/file_system/file_system_dispatcher.cc
diff --git a/chrome/common/file_system/file_system_dispatcher.cc b/chrome/common/file_system/file_system_dispatcher.cc
index a8761a2c7820065fa6bb97872bcdd7cd7776dfa1..bc52f3ab050f56948942e93a0d2486c71285a62d 100644
--- a/chrome/common/file_system/file_system_dispatcher.cc
+++ b/chrome/common/file_system/file_system_dispatcher.cc
@@ -67,10 +67,11 @@ bool FileSystemDispatcher::Copy(
 
 bool FileSystemDispatcher::Remove(
     const FilePath& path,
+    bool recursive,
     fileapi::FileSystemCallbackDispatcher* dispatcher) {
   int request_id = dispatchers_.Add(dispatcher);
   return ChildThread::current()->Send(
-      new ViewHostMsg_FileSystem_Remove(request_id, path));
+      new ViewHostMsg_FileSystem_Remove(request_id, path, recursive));
 }
 
 bool FileSystemDispatcher::ReadMetadata(
@@ -219,4 +220,3 @@ void FileSystemDispatcher::DidWrite(
   if (complete)
     dispatchers_.Remove(request_id);
 }
-