DevTools: add initial support for shared workers debugging

content/browser/debugger/worker_devtools_message_filter.cc

Index: content/browser/debugger/worker_devtools_message_filter.cc
diff --git a/content/browser/debugger/worker_devtools_message_filter.cc b/content/browser/debugger/worker_devtools_message_filter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a086c9bfca3d450fc8b50c4f9e83f6baeb8b6d07
--- /dev/null
+++ b/content/browser/debugger/worker_devtools_message_filter.cc
@@ -0,0 +1,42 @@
+// Copyright (c) 2011 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/browser/debugger/worker_devtools_message_filter.h"
+
+#include "content/browser/debugger/worker_devtools_manager_io.h"
+#include "content/browser/worker_host/worker_service.h"
+#include "content/common/devtools_messages.h"
+#include "content/common/worker_messages.h"
+
+WorkerDevToolsMessageFilter::WorkerDevToolsMessageFilter(
+    int worker_process_host_id)
+    : worker_process_host_id_(worker_process_host_id) {
+}
+
+WorkerDevToolsMessageFilter::~WorkerDevToolsMessageFilter() {
+}
+
+void WorkerDevToolsMessageFilter::OnChannelClosing() {
+  BrowserMessageFilter::OnChannelClosing();
+  WorkerDevToolsManagerIO::GetInstance()->WorkerProcessDestroying(
+      worker_process_host_id_);
+}
+
+bool WorkerDevToolsMessageFilter::OnMessageReceived(
+    const IPC::Message& message,
+    bool* message_was_ok) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP_EX(WorkerDevToolsMessageFilter, message,
+                           *message_was_ok)
+    IPC_MESSAGE_HANDLER(DevToolsHostMsg_ForwardToClient, OnForwardToClient)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP_EX()
+  return handled;
+}
+
+void WorkerDevToolsMessageFilter::OnForwardToClient(
+    const IPC::Message& message) {
+  WorkerDevToolsManagerIO::GetInstance()->ForwardToDevToolsClient(
+      worker_process_host_id_, message.routing_id(), message);
+}