Send encoded_body_length to renderer when response completed (2/3)

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 745aabe26a47654277f336fd3d2521eb63f9a47a..7f16703071b4cf0417c5aa62ae8c8f37acbd5978 100644
--- a/chrome/renderer/extensions/extension_localization_peer.cc
+++ b/chrome/renderer/extensions/extension_localization_peer.cc
@@ -27,9 +27,6 @@ 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; }
-  // The original data has substitutions applied, so the original
-  // encoded_body_length no longer applies.
-  int encoded_body_length() const override { return data_.size(); }
 
  private:
   const std::string data_;
@@ -94,14 +91,15 @@ void ExtensionLocalizationPeer::OnCompletedRequest(
     bool was_ignored_by_handler,
     bool stale_copy_in_cache,
     const base::TimeTicks& completion_time,
-    int64_t total_transfer_size) {
+    int64_t total_transfer_size,
+    int64_t encoded_body_size) {
   // Give sub-classes a chance at altering the data.
   if (error_code != net::OK) {
     // We failed to load the resource.
     original_peer_->OnReceivedResponse(response_info_);
     original_peer_->OnCompletedRequest(net::ERR_ABORTED, false,
                                        stale_copy_in_cache, completion_time,
-                                       total_transfer_size);
+                                       total_transfer_size, encoded_body_size);
     return;
   }
 
@@ -112,7 +110,7 @@ void ExtensionLocalizationPeer::OnCompletedRequest(
     original_peer_->OnReceivedData(base::MakeUnique<StringData>(data_));
   original_peer_->OnCompletedRequest(error_code, was_ignored_by_handler,
                                      stale_copy_in_cache, completion_time,
-                                     total_transfer_size);
+                                     total_transfer_size, encoded_body_size);
 }
 
 void ExtensionLocalizationPeer::ReplaceMessages() {