Added and implemented URLRequest::GetTotalSentBytes.

chrome/browser/devtools/devtools_network_transaction.h

Index: chrome/browser/devtools/devtools_network_transaction.h
diff --git a/chrome/browser/devtools/devtools_network_transaction.h b/chrome/browser/devtools/devtools_network_transaction.h
index 826b0025f689ec4b55e18d293059c54603c5d14e..d50b6013c9175f30b4557a3cb31ba1315f03f87b 100644
--- a/chrome/browser/devtools/devtools_network_transaction.h
+++ b/chrome/browser/devtools/devtools_network_transaction.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_NETWORK_TRANSACTION_H_
 
+#include <stdint.h>
+
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/completion_callback.h"
@@ -92,6 +94,7 @@ class DevToolsNetworkTransaction : public net::HttpTransaction {
   void StopCaching() override;
   bool GetFullRequestHeaders(net::HttpRequestHeaders* headers) const override;
   int64 GetTotalReceivedBytes() const override;
+  int64_t GetTotalSentBytes() const override;
   void DoneReading() override;
   const net::HttpResponseInfo* GetResponseInfo() const override;
   net::LoadState GetLoadState() const override;