Update from https://crrev.com/304121

net/spdy/spdy_websocket_stream.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.
-
-#ifndef NET_SPDY_SPDY_WEBSOCKET_STREAM_H_
-#define NET_SPDY_SPDY_WEBSOCKET_STREAM_H_
-
-#include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "net/base/completion_callback.h"
-#include "net/base/request_priority.h"
-#include "net/spdy/spdy_framer.h"
-#include "net/spdy/spdy_header_block.h"
-#include "net/spdy/spdy_session.h"
-#include "net/spdy/spdy_stream.h"
-
-namespace net {
-
-// The SpdyWebSocketStream is a WebSocket-specific type of stream known to a
-// SpdySession. WebSocket's opening handshake is converted to SPDY's
-// SYN_STREAM/SYN_REPLY. WebSocket frames are encapsulated as SPDY data frames.
-class NET_EXPORT_PRIVATE SpdyWebSocketStream
-    : public SpdyStream::Delegate {
- public:
-  // Delegate handles asynchronous events.
-  class NET_EXPORT_PRIVATE Delegate {
-   public:
-    // Called when InitializeStream() finishes asynchronously. This delegate is
-    // called if InitializeStream() returns ERR_IO_PENDING. |status| indicates
-    // network error.
-    virtual void OnCreatedSpdyStream(int status) = 0;
-
-    // Called on corresponding to OnSendHeadersComplete() or SPDY's SYN frame
-    // has been sent.
-    virtual void OnSentSpdyHeaders() = 0;
-
-    // Called on corresponding to OnResponseHeadersUpdated() or
-    // SPDY's SYN_STREAM, SYN_REPLY, or HEADERS frames are
-    // received. This callback may be called multiple times as SPDY's
-    // delegate does.
-    virtual void OnSpdyResponseHeadersUpdated(
-        const SpdyHeaderBlock& response_headers) = 0;
-
-    // Called when data is sent.
-    virtual void OnSentSpdyData(size_t bytes_sent) = 0;
-
-    // Called when data is received.
-    virtual void OnReceivedSpdyData(scoped_ptr<SpdyBuffer> buffer) = 0;
-
-    // Called when SpdyStream is closed.
-    virtual void OnCloseSpdyStream() = 0;
-
-   protected:
-    virtual ~Delegate() {}
-  };
-
-  SpdyWebSocketStream(const base::WeakPtr<SpdySession>& spdy_session,
-                      Delegate* delegate);
-  ~SpdyWebSocketStream() override;
-
-  // Initializes SPDY stream for the WebSocket.
-  // It might create SPDY stream asynchronously.  In this case, this method
-  // returns ERR_IO_PENDING and call OnCreatedSpdyStream delegate with result
-  // after completion. In other cases, delegate does not be called.
-  int InitializeStream(const GURL& url,
-                       RequestPriority request_priority,
-                       const BoundNetLog& stream_net_log);
-
-  int SendRequest(scoped_ptr<SpdyHeaderBlock> headers);
-  int SendData(const char* data, int length);
-  void Close();
-
-  // SpdyStream::Delegate
-  void OnRequestHeadersSent() override;
-  SpdyResponseHeadersStatus OnResponseHeadersUpdated(
-      const SpdyHeaderBlock& response_headers) override;
-  void OnDataReceived(scoped_ptr<SpdyBuffer> buffer) override;
-  void OnDataSent() override;
-  void OnClose(int status) override;
-
- private:
-  friend class SpdyWebSocketStreamTest;
-  FRIEND_TEST_ALL_PREFIXES(SpdyWebSocketStreamTest, Basic);
-
-  void OnSpdyStreamCreated(int status);
-
-  SpdyStreamRequest stream_request_;
-  base::WeakPtr<SpdyStream> stream_;
-  const base::WeakPtr<SpdySession> spdy_session_;
-  size_t pending_send_data_length_;
-  Delegate* delegate_;
-
-  base::WeakPtrFactory<SpdyWebSocketStream> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SpdyWebSocketStream);
-};
-
-}  // namespace net
-
-#endif  // NET_SPDY_SPDY_WEBSOCKET_STREAM_H_