Remove unused BidirectionalStream::SendData() method and implementations.

net/http/bidirectional_stream_unittest.cc

Index: net/http/bidirectional_stream_unittest.cc
diff --git a/net/http/bidirectional_stream_unittest.cc b/net/http/bidirectional_stream_unittest.cc
index 6d62d57b1c451889754dc30296be3eccbf00960a..037a21eafd99339e4828189734848dcbc8e1c049 100644
--- a/net/http/bidirectional_stream_unittest.cc
+++ b/net/http/bidirectional_stream_unittest.cc
@@ -184,9 +184,7 @@ class TestDelegateBase : public BidirectionalStream::Delegate {
   void SendData(const scoped_refptr<IOBuffer>& data,
                 int length,
                 bool end_of_stream) {
-    not_expect_callback_ = true;
-    stream_->SendData(data, length, end_of_stream);
-    not_expect_callback_ = false;
+    SendvData({data}, {length}, end_of_stream);
   }
 
   void SendvData(const std::vector<scoped_refptr<IOBuffer>>& data,
@@ -769,7 +767,7 @@ TEST_F(BidirectionalStreamTest, TestNetLogContainEntries) {
       entries, index, NetLogEventType::BIDIRECTIONAL_STREAM_RECV_TRAILERS,
       NetLogEventPhase::NONE);
   index = ExpectLogContainsSomewhere(
-      entries, index, NetLogEventType::BIDIRECTIONAL_STREAM_SEND_DATA,
+      entries, index, NetLogEventType::BIDIRECTIONAL_STREAM_SENDV_DATA,
       NetLogEventPhase::NONE);
   index = ExpectLogContainsSomewhere(
       entries, index, NetLogEventType::BIDIRECTIONAL_STREAM_READ_DATA,