Add convenience HighestPriority and LowestPriority methods to QuicUtils.

net/quic/reliable_quic_stream_test.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/quic/reliable_quic_stream.h"
 
 #include "net/quic/quic_ack_notifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_spdy_compressor.h"
 #include "net/quic/quic_spdy_decompressor.h"
@@ skipping 31 matching lines @@
       : ReliableQuicStream(id, session),
         should_process_data_(should_process_data) {}
 
   virtual uint32 ProcessRawData(const char* data, uint32 data_len) OVERRIDE {
     EXPECT_NE(0u, data_len);
     DVLOG(1) << "ProcessData data_len: " << data_len;
     data_ += string(data, data_len);
     return should_process_data_ ? data_len : 0;
   }
 
-  virtual QuicPriority EffectivePriority() const OVERRIDE { return 0; }
+  virtual QuicPriority EffectivePriority() const OVERRIDE {
+    return QuicUtils::HighestPriority();
+  }
 
   using ReliableQuicStream::WriteOrBufferData;
   using ReliableQuicStream::CloseReadSide;
   using ReliableQuicStream::CloseWriteSide;
 
   const string& data() const { return data_; }
 
  private:
   bool should_process_data_;
   string data_;
@@ skipping 158 matching lines @@
   EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error());
   EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error());
   stream_->OnConnectionClosed(QUIC_INTERNAL_ERROR, false);
   EXPECT_EQ(QUIC_STREAM_NO_ERROR, stream_->stream_error());
   EXPECT_EQ(QUIC_NO_ERROR, stream_->connection_error());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net