gdata: Make GDataCache::CacheEntry a struct

chrome/browser/chromeos/gdata/gdata_sync_client.cc

Index: chrome/browser/chromeos/gdata/gdata_sync_client.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_sync_client.cc b/chrome/browser/chromeos/gdata/gdata_sync_client.cc
index 3b058c10bfd73ef09663b87891a9f9cad4e0ac7d..d4cb7c397f477d4e4c60e19dd9dee88a54d6ee2c 100644
--- a/chrome/browser/chromeos/gdata/gdata_sync_client.cc
+++ b/chrome/browser/chromeos/gdata/gdata_sync_client.cc
@@ -356,7 +356,7 @@ void GDataSyncClient::OnGetCacheEntry(
   // If MD5s don't match, it indicates the local cache file is stale, unless
   // the file is dirty (the MD5 is "local"). We should never re-fetch the
   // file when we have a locally modified version.
-  if (latest_md5 != cache_entry.md5 && !cache_entry.IsDirty()) {
+  if (latest_md5 != cache_entry.md5() && !cache_entry.IsDirty()) {
     cache_->RemoveOnUIThread(
         resource_id,
         base::Bind(&GDataSyncClient::OnRemove,