Change DCHECK in SpdyWindowUpdateIR::set_delta().

net/spdy/spdy_protocol.h

 // 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.
 
 // This file contains some protocol structures for use with SPDY 3 and HTTP 2
 // The SPDY 3 spec can be found at:
 // http://dev.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3
 
 #ifndef NET_SPDY_SPDY_PROTOCOL_H_
 #define NET_SPDY_SPDY_PROTOCOL_H_
@@ skipping 840 matching lines @@
 };
 
 class NET_EXPORT_PRIVATE SpdyWindowUpdateIR : public SpdyFrameWithStreamIdIR {
  public:
   SpdyWindowUpdateIR(SpdyStreamId stream_id, int32_t delta)
       : SpdyFrameWithStreamIdIR(stream_id) {
     set_delta(delta);
   }
   int32_t delta() const { return delta_; }
   void set_delta(int32_t delta) {
-    DCHECK_LT(0, delta);
+    DCHECK_LE(0, delta);
     DCHECK_LE(delta, kSpdyMaximumWindowSize);
     delta_ = delta;
   }
 
   void Visit(SpdyFrameVisitor* visitor) const override;
 
  private:
   int32_t delta_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyWindowUpdateIR);
@@ skipping 196 matching lines @@
   SpdyFrameVisitor() {}
   virtual ~SpdyFrameVisitor() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpdyFrameVisitor);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_PROTOCOL_H_