Split out QuicSendControlStream from quic_spdy_session_lib build target.

QuicSendControlStream does not depend on QuicSpdySession (it only calls QuicStream::session(), which returns QuicSession), so it can trivially go into its own build target.

gfe-relnote: n/a, BUILD file only change.
PiperOrigin-RevId: 259351465
Change-Id: I174597474131206f516f67a022a1fb867f1d85e1

quic/core/http/quic_send_control_stream.cc

diff --git a/quic/core/http/quic_send_control_stream.cc b/quic/core/http/quic_send_control_stream.cc
index 0634d03..a53f931 100644
--- a/quic/core/http/quic_send_control_stream.cc
+++ b/quic/core/http/quic_send_control_stream.cc
@@ -5,14 +5,14 @@
 #include "net/third_party/quiche/src/quic/core/http/quic_send_control_stream.h"
 
 #include "net/third_party/quiche/src/quic/core/http/http_constants.h"
-#include "net/third_party/quiche/src/quic/core/http/quic_spdy_session.h"
+#include "net/third_party/quiche/src/quic/core/quic_session.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_arraysize.h"
 
 namespace quic {
 
 QuicSendControlStream::QuicSendControlStream(
     QuicStreamId id,
-    QuicSpdySession* session,
+    QuicSession* session,
     uint64_t max_inbound_header_list_size)
     : QuicStream(id, session, /*is_static = */ true, WRITE_UNIDIRECTIONAL),
       settings_sent_(false),

quic/core/http/quic_send_control_stream.h

diff --git a/quic/core/http/quic_send_control_stream.h b/quic/core/http/quic_send_control_stream.h
index 44f5762..566bcc8 100644
--- a/quic/core/http/quic_send_control_stream.h
+++ b/quic/core/http/quic_send_control_stream.h
@@ -11,7 +11,7 @@
 
 namespace quic {
 
-class QuicSpdySession;
+class QuicSession;
 
 // 3.2.1 Control Stream.
 // The send control stream is self initiated and is write only.
@@ -20,7 +20,7 @@
   // |session| can't be nullptr, and the ownership is not passed. The stream can
   // only be accessed through the session.
   explicit QuicSendControlStream(QuicStreamId id,
-                                 QuicSpdySession* session,
+                                 QuicSession* session,
                                  uint64_t max_inbound_header_list_size);
   QuicSendControlStream(const QuicSendControlStream&) = delete;
   QuicSendControlStream& operator=(const QuicSendControlStream&) = delete;