Added and implemented URLRequest::GetTotalSentBytes.

net/http/http_transaction_test_util.h

Index: net/http/http_transaction_test_util.h
diff --git a/net/http/http_transaction_test_util.h b/net/http/http_transaction_test_util.h
index 52b38e845decee9b81b9ba93d0b43645f09b09d7..de95e3da4123bf33b12f02a2009867598f6cf604 100644
--- a/net/http/http_transaction_test_util.h
+++ b/net/http/http_transaction_test_util.h
@@ -7,6 +7,8 @@
 
 #include "net/http/http_transaction.h"
 
+#include <stdint.h>
+
 #include <string>
 
 #include "base/callback.h"
@@ -197,6 +199,8 @@ class MockNetworkTransaction
 
   int64 GetTotalReceivedBytes() const override;
 
+  int64_t GetTotalSentBytes() const override;
+
   void DoneReading() override;
 
   const HttpResponseInfo* GetResponseInfo() const override;
@@ -246,6 +250,7 @@ class MockNetworkTransaction
   CreateHelper* websocket_handshake_stream_create_helper_;
   base::WeakPtr<MockNetworkLayer> transaction_factory_;
   int64 received_bytes_;
+  int64_t sent_bytes_;
 
   // NetLog ID of the fake / non-existent underlying socket used by the
   // connection. Requires Start() be passed a BoundNetLog with a real NetLog to