gdata: Remove GDataCacheEntry::set_cache_entry()

chrome/browser/chromeos/gdata/gdata_cache_metadata.cc

Index: chrome/browser/chromeos/gdata/gdata_cache_metadata.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_cache_metadata.cc b/chrome/browser/chromeos/gdata/gdata_cache_metadata.cc
index 850f15dfa8845f51575601b71e5ff25677b2f367..fe0fb5e45a78324c0839b78936b8cca24d1eeb99 100644
--- a/chrome/browser/chromeos/gdata/gdata_cache_metadata.cc
+++ b/chrome/browser/chromeos/gdata/gdata_cache_metadata.cc
@@ -185,10 +185,9 @@ void GDataCacheMetadataMap::AddOrUpdateCacheEntry(
     DVLOG(1) << "Added resource_id=" << resource_id
              << ", " << cache_entry.ToString();
   } else {  // Resource exists.
-    iter->second.set_md5(cache_entry.md5());
-    iter->second.set_cache_state(cache_entry.cache_state());
+    cache_map_[resource_id] = cache_entry;
     DVLOG(1) << "Updated resource_id=" << resource_id
-             << ", " << iter->second.ToString();
+             << ", " << cache_entry.ToString();
   }
 }