Added and implemented HttpStream::GetTotalSentBytes for basic streams.

net/http/http_basic_stream.h

Index: net/http/http_basic_stream.h
diff --git a/net/http/http_basic_stream.h b/net/http/http_basic_stream.h
index b3d8301955d1843035e29d3cc1be17227c0e8f6f..55b0efd4a633c8ba877eeba09bd32cd0cd20b821 100644
--- a/net/http/http_basic_stream.h
+++ b/net/http/http_basic_stream.h
@@ -9,6 +9,8 @@
 #ifndef NET_HTTP_HTTP_BASIC_STREAM_H_
 #define NET_HTTP_HTTP_BASIC_STREAM_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "base/basictypes.h"
@@ -64,6 +66,8 @@ class HttpBasicStream : public HttpStream {
 
   int64 GetTotalReceivedBytes() const override;
 
+  int64_t GetTotalSentBytes() const override;
+
   bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;
 
   void GetSSLInfo(SSLInfo* ssl_info) override;