Factor out encoded length calculation in AsyncResourceHandler

content/browser/loader/async_resource_handler.cc

Index: content/browser/loader/async_resource_handler.cc
diff --git a/content/browser/loader/async_resource_handler.cc b/content/browser/loader/async_resource_handler.cc
index 53b26e152d3c04a83f3c5eb8f59033aeac8d1c6f..e6b1ddff912d23a629bea275f5c1272a9c9b2828 100644
--- a/content/browser/loader/async_resource_handler.cc
+++ b/content/browser/loader/async_resource_handler.cc
@@ -331,10 +331,7 @@ bool AsyncResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
   }
 
   int data_offset = buffer_->GetLastAllocationOffset();
-
-  int64_t current_transfer_size = request()->GetTotalReceivedBytes();
-  int encoded_data_length = current_transfer_size - reported_transfer_size_;
-  reported_transfer_size_ = current_transfer_size;
+  int encoded_data_length = CalculateEncodedDataLengthToReport();
 
   // TODO(erikchen): Temporary debugging. http://crbug.com/527588.
   CHECK_LE(data_offset, kBufferSize);
@@ -355,9 +352,7 @@ bool AsyncResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
 }
 
 void AsyncResourceHandler::OnDataDownloaded(int bytes_downloaded) {
-  int64_t current_transfer_size = request()->GetTotalReceivedBytes();
-  int encoded_data_length = current_transfer_size - reported_transfer_size_;
-  reported_transfer_size_ = current_transfer_size;
+  int encoded_data_length = CalculateEncodedDataLengthToReport();
 
   ResourceMessageFilter* filter = GetFilter();
   if (filter) {
@@ -455,4 +450,11 @@ bool AsyncResourceHandler::CheckForSufficientResource() {
   return false;
 }
 
+int AsyncResourceHandler::CalculateEncodedDataLengthToReport() {
+  int64_t current_transfer_size = request()->GetTotalReceivedBytes();
+  int encoded_data_length = current_transfer_size - reported_transfer_size_;
+  reported_transfer_size_ = current_transfer_size;
+  return encoded_data_length;
+}
+
 }  // namespace content