Dispatch encoded_data_length separately in content/child

chrome/renderer/extensions/extension_localization_peer.cc

Index: chrome/renderer/extensions/extension_localization_peer.cc
diff --git a/chrome/renderer/extensions/extension_localization_peer.cc b/chrome/renderer/extensions/extension_localization_peer.cc
index 7f16703071b4cf0417c5aa62ae8c8f37acbd5978..9418131e18f155481ec1c4fa99ba57af547ccb51 100644
--- a/chrome/renderer/extensions/extension_localization_peer.cc
+++ b/chrome/renderer/extensions/extension_localization_peer.cc
@@ -26,7 +26,6 @@ class StringData final : public content::RequestPeer::ReceivedData {
 
   const char* payload() const override { return data_.data(); }
   int length() const override { return data_.size(); }
-  int encoded_data_length() const override { return -1; }
 
  private:
   const std::string data_;
@@ -86,6 +85,10 @@ void ExtensionLocalizationPeer::OnReceivedData(
   data_.append(data->payload(), data->length());
 }
 
+void ExtensionLocalizationPeer::OnTransferSizeUpdated(int transfer_size_diff) {
+  original_peer_->OnTransferSizeUpdated(transfer_size_diff);
+}
+
 void ExtensionLocalizationPeer::OnCompletedRequest(
     int error_code,
     bool was_ignored_by_handler,