Pass const ref instead of pointer for FromDocumentEntry()

chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc

Index: chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc b/chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc
index e839fc2a9a0baf36266835cc3a9994903df51841..b19ac64024c04abdb99c0466d84aadf4fd2069a5 100644
--- a/chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc
+++ b/chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.cc
@@ -286,7 +286,7 @@ GDataFileError GDataWapiFeedProcessor::FeedToFileResourceMap(
              feed->entries().begin();
          iter != feed->entries().end(); ++iter) {
       DocumentEntry* doc = *iter;
-      GDataEntry* entry = directory_service_->FromDocumentEntry(doc);
+      GDataEntry* entry = directory_service_->FromDocumentEntry(*doc);
       // Some document entries don't map into files (i.e. sites).
       if (!entry)
         continue;