Send encoded_body_length to renderer when response completed (1/3)

content/common/resource_request_completion_status.h

Index: content/common/resource_request_completion_status.h
diff --git a/content/common/resource_request_completion_status.h b/content/common/resource_request_completion_status.h
index 3ef01cee1f3c90ed2f6991e2436830f45714c06a..92e48a864f91f6ac08886dddee355779cab98a19 100644
--- a/content/common/resource_request_completion_status.h
+++ b/content/common/resource_request_completion_status.h
@@ -33,6 +33,9 @@ struct CONTENT_EXPORT ResourceRequestCompletionStatus {
 
   // Total amount of data received from the network.
   int64_t encoded_data_length = 0;
+
+  // The length of the response body before removing any content encodings.
+  int64_t encoded_body_length = 0;
 };
 
 }  // namespace content