Added and implemented URLRequest::GetTotalSentBytes.

net/http/http_transaction_test_util.cc

Index: net/http/http_transaction_test_util.cc
diff --git a/net/http/http_transaction_test_util.cc b/net/http/http_transaction_test_util.cc
index 1b2960bb250e12fff7d9f10cc8fd4705b0bc6606..f1dae8650b08f875d51053cc46e1dc0fa9023d97 100644
--- a/net/http/http_transaction_test_util.cc
+++ b/net/http/http_transaction_test_util.cc
@@ -242,9 +242,9 @@ MockNetworkTransaction::MockNetworkTransaction(RequestPriority priority,
       websocket_handshake_stream_create_helper_(NULL),
       transaction_factory_(factory->AsWeakPtr()),
       received_bytes_(0),
+      sent_bytes_(0),
       socket_log_id_(NetLog::Source::kInvalidId),
-      weak_factory_(this) {
-}
+      weak_factory_(this) {}
 
 MockNetworkTransaction::~MockNetworkTransaction() {}
 
@@ -329,6 +329,10 @@ int64 MockNetworkTransaction::GetTotalReceivedBytes() const {
   return received_bytes_;
 }
 
+int64_t MockNetworkTransaction::GetTotalSentBytes() const {
+  return sent_bytes_;
+}
+
 void MockNetworkTransaction::DoneReading() {
   if (transaction_factory_.get())
     transaction_factory_->TransactionDoneReading();
@@ -400,6 +404,13 @@ int MockNetworkTransaction::StartInternal(const HttpRequestInfo* request,
     return ERR_IO_PENDING;
   }
 
+  std::string request_line =
+      base::StringPrintf("%s %s HTTP/1.1\r\n", request->method.c_str(),
+                         request->url.PathForRequest().c_str());
+  sent_bytes_ = request_line.size();
+  if (t->request_headers)
+    sent_bytes_ += strlen(t->request_headers);

[mmenke, 2015/09/04 15:21:49]

This logic seems ugly and pointless, given that we have to duplicate the exact
same logic in the cache unit tests.  Since these aren't real transactions, can
we just use some sort of bogus value, and expose it in the header, and then use
that for the cache tests?

[sclittle, 2015/09/04 22:03:10]

Done.

+
   std::string resp_status = t->status;
   std::string resp_headers = t->response_headers;
   std::string resp_data = t->data;