Introduce webkit_glue bridges for the new WebSocket Implementation.

content/child/websocket_dispatcher.cc

+// Copyright (c) 2013 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 "content/child/websocket_dispatcher.h"
+
+#include <map>
+
+#include "base/logging.h"
+#include "content/child/websocket_bridge.h"
+#include "content/common/websocket_messages.h"
+#include "ipc/ipc_message.h"
+#include "url/gurl.h"
+
+namespace content {
+
+WebSocketDispatcher::WebSocketDispatcher() : channel_id_max_(0) {}
+
+WebSocketDispatcher::~WebSocketDispatcher() {}
+
+int WebSocketDispatcher::AddBridge(WebSocketBridge* bridge) {
+  ++channel_id_max_;
+  bridges_.insert(std::make_pair(channel_id_max_, bridge));
+  return channel_id_max_;
+}
+
+void WebSocketDispatcher::RemoveBridge(int channel_id) {
+  std::map<int, WebSocketBridge*>::iterator i = bridges_.find(channel_id);

[Tom Sepez, 2013/09/20 16:39:30]

nit: pickier reviewers would insist that a longer name than |i| be used here,
something like |iter|.

[yhirano, 2013/09/23 20:38:05]

Done.

+  if (i == bridges_.end()) {
+    DVLOG(1) << "Remove a non-existent bridge(" << channel_id << ")";
+    return;
+  }
+  bridges_.erase(i);
+}
+
+bool WebSocketDispatcher::OnMessageReceived(const IPC::Message& msg) {
+  switch (msg.type()) {
+    case WebSocketMsg_AddChannelResponse::ID:
+    case WebSocketMsg_SendFrame::ID:
+    case WebSocketMsg_FlowControl::ID:
+    case WebSocketMsg_DropChannel::ID:
+      break;
+    default:
+      return false;
+  }
+
+  WebSocketBridge* bridge = GetBridge(msg.routing_id(), msg.type());
+  if (!bridge)
+    return true;
+  return bridge->OnMessageReceived(msg);
+}
+
+WebSocketBridge* WebSocketDispatcher::GetBridge(int channel_id, uint32 type) {
+  std::map<int, WebSocketBridge*>::iterator i = bridges_.find(channel_id);
+  if (i == bridges_.end()) {
+    DVLOG(1) << "No bridge for channel_id=" << channel_id
+             << ", type=" << type;
+    return NULL;
+  }
+  return i->second;
+}
+
+}  // namespace content