Propagate the encoded data length through OnDownloadData delegate method

chrome/renderer/extensions/extension_localization_peer.h

Index: chrome/renderer/extensions/extension_localization_peer.h
diff --git a/chrome/renderer/extensions/extension_localization_peer.h b/chrome/renderer/extensions/extension_localization_peer.h
index 3245d440d4097cf272855bf14e643b8eea959502..d11df80706d8aa7f4d38e1f91a9c72122cdbf84a 100644
--- a/chrome/renderer/extensions/extension_localization_peer.h
+++ b/chrome/renderer/extensions/extension_localization_peer.h
@@ -37,7 +37,7 @@ class ExtensionLocalizationPeer
       GURL* new_first_party_for_cookies) OVERRIDE;
   virtual void OnReceivedResponse(
       const webkit_glue::ResourceResponseInfo& info) OVERRIDE;
-  virtual void OnDownloadedData(int len) OVERRIDE {}
+  virtual void OnDownloadedData(int len, int encoded_data_length) OVERRIDE {}
   virtual void OnReceivedData(const char* data,
                               int data_length,
                               int encoded_data_length) OVERRIDE;