drive: Show files shared to me from other account's shared folder.

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 0fd13239d7a0cd23b566a9f4699d32f27524e8a6..2705aee348fc1e8215c5d2ce7d72824b4a7a8228 100644
--- a/chrome/browser/chromeos/drive/change_list_processor.cc
+++ b/chrome/browser/chromeos/drive/change_list_processor.cc
@@ -248,8 +248,16 @@ FileError ChangeListProcessor::ApplyEntryMap(
         FileError error = resource_metadata_->GetIdByResourceId(
             parent_resource_id, &parent_local_id);
         if (error != FILE_ERROR_OK) {
-          LOG(ERROR) << "Failed to get local ID: " << parent_resource_id
-                     << ", error = " << FileErrorToString(error);
+          // See crbug.com/326043. In some complicated situations, parent folder
+          // for shared entries may be accessible (and hence its resource id is
+          // included), but not in the change/file list.
+          // In such a case, clear the parent and move it to drive/other.
+          if (error == FILE_ERROR_NOT_FOUND) {
+            parent_resource_id_map_[it->first] = "";
+          } else {
+            LOG(ERROR) << "Failed to get local ID: " << parent_resource_id
+                       << ", error = " << FileErrorToString(error);
+          }
           break;
         }
         ResourceEntry parent_entry;