Mojo: Add a WebSocket/Client interface and hook it up to the HTML viewer.

mojo/services/network/web_socket_impl.h

Index: mojo/services/network/web_socket_impl.h
diff --git a/mojo/services/network/web_socket_impl.h b/mojo/services/network/web_socket_impl.h
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+// Copyright 2014 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 MOJO_SERVICES_NETWORK_WEB_SOCKET_IMPL_H_
+#define MOJO_SERVICES_NETWORK_WEB_SOCKET_IMPL_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/bindings/interface_impl.h"
+#include "mojo/services/public/interfaces/network/web_socket.mojom.h"
+
+namespace net {
+class WebSocketChannel;
+}  // namespace net
+
+namespace mojo {
+class NetworkContext;
+
+// Forms a bridge between the WebSocket mojo interface and the net::WebSocket
+// implementation.
+class WebSocketImpl : public InterfaceImpl<WebSocket> {
+ public:
+  explicit WebSocketImpl(NetworkContext* context);
+  virtual ~WebSocketImpl();
+
+ private:
+  class PendingWriteToDataPipe;
+  class DependentIOBuffer;
+
+  // WebSocket methods:
+  virtual void Connect(const String& url,
+                       Array<String> protocols,
+                       const String& origin,
+                       WebSocketClientPtr client) OVERRIDE;
+  virtual void Send(bool fin,
+                    WebSocket::MessageType type,
+                    ScopedDataPipeConsumerHandle data) OVERRIDE;
+  virtual void FlowControl(int64_t quota) OVERRIDE;
+  virtual void Close(int16_t code, const String& reason) OVERRIDE;
+
+  // The channel we use to send events to the network.
+  scoped_ptr<net::WebSocketChannel> channel_;
+  NetworkContext* context_;
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_NETWORK_WEB_SOCKET_IMPL_H_