Implement padding for SPDY4/HTTP2 DATA frames.

net/spdy/spdy_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_session.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 1892 matching lines @@
 
 void SpdySession::OnStreamFrameData(SpdyStreamId stream_id,
                                     const char* data,
                                     size_t len,
                                     bool fin) {
   CHECK(in_io_loop_);
 
   if (availability_state_ == STATE_CLOSED)
     return;
 
+  if (data == NULL && len != 0) {
+    // This is notification of consumed data padding.
+    // TODO(jgraettinger): Properly flow padding into WINDOW_UPDATE frames.
+    // See crbug.com/353012.
+    return;
+  }
+
   DCHECK_LT(len, 1u << 24);
   if (net_log().IsLogging()) {
     net_log().AddEvent(
         NetLog::TYPE_SPDY_SESSION_RECV_DATA,
         base::Bind(&NetLogSpdyDataCallback, stream_id, len, fin));
   }
 
   // Build the buffer as early as possible so that we go through the
   // session flow control checks and update
   // |unacked_recv_window_bytes_| properly even when the stream is
@@ skipping 1118 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net