Added and implemented HttpStream::GetTotalSentBytes for basic streams.

net/http/http_stream_parser.cc

Index: net/http/http_stream_parser.cc
diff --git a/net/http/http_stream_parser.cc b/net/http/http_stream_parser.cc
index 58bbf9271f99af8dbfd9cb1fd2f3b7a3f336a076..14bb71c13c73da9fc4ea2e8ad71ce72b31778490 100644
--- a/net/http/http_stream_parser.cc
+++ b/net/http/http_stream_parser.cc
@@ -208,6 +208,7 @@ HttpStreamParser::HttpStreamParser(ClientSocketHandle* connection,
       read_buf_unused_offset_(0),
       response_header_start_offset_(-1),
       received_bytes_(0),
+      sent_bytes_(0),
       response_body_length_(-1),
       response_body_read_(0),
       user_read_buf_(NULL),
@@ -474,6 +475,7 @@ int HttpStreamParser::DoSendHeadersComplete(int result) {
     return result;
   }
 
+  sent_bytes_ += result;
   request_headers_->DidConsume(result);
   if (request_headers_->BytesRemaining() > 0) {
     io_state_ = STATE_SEND_HEADERS;
@@ -531,6 +533,7 @@ int HttpStreamParser::DoSendBodyComplete(int result) {
     return result;
   }
 
+  sent_bytes_ += result;
   request_body_send_buf_->DidConsume(result);
 
   io_state_ = STATE_SEND_BODY;