drive: Fills no-parent entiries in "/drive/other".

chrome/browser/chromeos/drive/change_list_processor.cc

Index: chrome/browser/chromeos/drive/change_list_processor.cc
diff --git a/chrome/browser/chromeos/drive/change_list_processor.cc b/chrome/browser/chromeos/drive/change_list_processor.cc
index 66718390858b4449671009f0f640fb4306b0366d..ac2fd7a1cacf411f6c3d9c5a06f4e4a128b866b0 100644
--- a/chrome/browser/chromeos/drive/change_list_processor.cc
+++ b/chrome/browser/chromeos/drive/change_list_processor.cc
@@ -109,9 +109,6 @@ void ChangeListProcessor::ApplyFeeds(
     NOTREACHED();
   }
 
-  // TODO(haruki): Add pseudo tree structure for "drive"/root" and "drive/other"
-  // when we start using those namespaces. The root folder ID is necessary for
-  // full feed update.
   ApplyEntryProtoMap(is_delta_feed);
 
   // Shouldn't record histograms when processing delta feeds.
@@ -375,23 +372,12 @@ void ChangeListProcessor::FeedToEntryProtoMap(
       if (entry_proto->resource_id().empty())
         continue;
 
-      // TODO(haruki): Apply mapping from an empty parent to special dummy
-      // directory here or in ConvertResourceEntryToDriveEntryProto. See
-      // http://crbug.com/174233 http://crbug.com/171207. Until we implement it,
-      // ChangeListProcessor ignores such "no parent" entries.
-      // Please note that this will cause a temporal issue when
-      // - The user unselect all the parent using drive.google.com UI.
-      // ChangeListProcessor just ignores the incoming changes and keeps stale
-      // metadata. We need to work on this ASAP to reduce confusion.
-      if (entry_proto->parent_resource_id().empty()) {
-        continue;
-      }
-
       // Count the number of files.
       if (uma_stats && !entry_proto->file_info().is_directory()) {
         uma_stats->IncrementNumFiles(
             entry_proto->file_specific_info().is_hosted_document());
       }
+      // TODO(haruki): Metric for the num of the entries in "other" directory.
 
       std::pair<DriveEntryProtoMap::iterator, bool> ret = entry_proto_map_.
           insert(std::make_pair(entry_proto->resource_id(), DriveEntryProto()));