Uses the pre-existing constant `kSpdyMaxFrameSizeLimit` instead of a new ad-hoc constant.

PiperOrigin-RevId: 505820403

quiche/spdy/core/spdy_frame_builder.cc

diff --git a/quiche/spdy/core/spdy_frame_builder.cc b/quiche/spdy/core/spdy_frame_builder.cc
index be6885e..050d01e 100644
--- a/quiche/spdy/core/spdy_frame_builder.cc
+++ b/quiche/spdy/core/spdy_frame_builder.cc
@@ -88,9 +88,7 @@
   uint8_t raw_frame_type = SerializeFrameType(type);
   QUICHE_DCHECK(IsDefinedFrameType(raw_frame_type));
   QUICHE_DCHECK_EQ(0u, stream_id & ~kStreamIdMask);
-  // From https://www.rfc-editor.org/rfc/rfc9113#name-frame-size
-  const size_t kProtocolFrameSizeLimit = (1 << 24) - 1;
-  QUICHE_BUG_IF(spdy_bug_73_2, length > kProtocolFrameSizeLimit)
+  QUICHE_BUG_IF(spdy_bug_73_2, length > kSpdyMaxFrameSizeLimit)
       << "Frame length  " << length << " is longer than frame size limit.";
   return BeginNewFrameInternal(raw_frame_type, flags, stream_id, length);
 }