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

mojo/services/html_viewer/websockethandle_impl.h

+// 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_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_
+#define MOJO_SERVICES_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "mojo/common/handle_watcher.h"
+#include "mojo/services/public/interfaces/network/web_socket.mojom.h"
+#include "third_party/WebKit/public/platform/WebSocketHandle.h"
+
+namespace mojo {
+class NetworkService;
+class WebSocketClientImpl;
+
+// Implements WebSocketHandle by talking to the mojo WebSocket interface.
+class WebSocketHandleImpl : public blink::WebSocketHandle {
+ public:
+  explicit WebSocketHandleImpl(NetworkService* network_service);
+
+ private:
+  virtual ~WebSocketHandleImpl();
+
+  // blink::WebSocketHandle methods:
+  virtual void connect(const blink::WebURL& url,
+                       const blink::WebVector<blink::WebString>& protocols,
+                       const blink::WebSerializedOrigin& origin,
+                       blink::WebSocketHandleClient*) OVERRIDE;
+  virtual void send(bool fin,
+                    MessageType,
+                    const char* data,
+                    size_t size) OVERRIDE;
+  virtual void flowControl(int64_t quota) OVERRIDE;
+  virtual void close(unsigned short code,
+                     const blink::WebString& reason) OVERRIDE;
+
+  WebSocketPtr web_socket_;
+  scoped_ptr<WebSocketClientImpl> client_;
+  // True if close() was called.
+  bool did_close_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebSocketHandleImpl);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_HTML_VIEWER_WEBSOCKETHANDLE_IMPL_H_