Dispatch IndexedDB IPC messages to worker threads

content/common/child_thread.cc

 // 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/common/child_thread.h"
 
 #include "base/message_loop.h"
 #include "base/string_util.h"
 #include "base/command_line.h"
 #include "content/common/child_process.h"
 #include "content/common/child_process_messages.h"
 #include "content/common/child_trace_message_filter.h"
 #include "content/common/file_system/file_system_dispatcher.h"
 #include "content/common/quota_dispatcher.h"
 #include "content/common/resource_dispatcher.h"
 #include "content/common/socket_stream_dispatcher.h"
+#include "content/common/worker_task_runner.h"
 #include "content/public/common/content_switches.h"
+#include "content/renderer/indexed_db_message_filter.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ipc/ipc_switches.h"
 #include "webkit/glue/webkit_glue.h"
 
 #if defined(OS_WIN)
 #include "content/common/handle_enumerator_win.h"
 #endif
 
@@ skipping 22 matching lines @@
 
   resource_dispatcher_.reset(new ResourceDispatcher(this));
   socket_stream_dispatcher_.reset(new SocketStreamDispatcher());
   file_system_dispatcher_.reset(new FileSystemDispatcher());
   quota_dispatcher_.reset(new QuotaDispatcher());
 
   sync_message_filter_ =
       new IPC::SyncMessageFilter(ChildProcess::current()->GetShutDownEvent());
   channel_->AddFilter(sync_message_filter_.get());
   channel_->AddFilter(new ChildTraceMessageFilter());
+
+  idb_message_filter_ = new IndexedDBMessageFilter;
+  channel_->AddFilter(idb_message_filter_.get());
+
+  worker_task_runner_ = new WorkerTaskRunner;
+  worker_task_runner_->AddObserver(idb_message_filter_);
 }
 
 ChildThread::~ChildThread() {
 #ifdef IPC_MESSAGE_LOG_ENABLED
   IPC::Logging::GetInstance()->SetIPCSender(NULL);
 #endif
 
   channel_->RemoveFilter(sync_message_filter_.get());
 
   // Close this channel before resetting the message loop attached to it so
@@ skipping 170 matching lines @@
     MessageLoop::current()->Quit();
     return;
   }
 
   // The child process shutdown sequence is a request response based mechanism,
   // where we send out an initial feeler request to the child process host
   // instance in the browser to verify if it's ok to shutdown the child process.
   // The browser then sends back a response if it's ok to shutdown.
   Send(new ChildProcessHostMsg_ShutdownRequest);
 }
+
+IndexedDBDispatcher* ChildThread::indexed_db_dispatcher() const {
+  return idb_message_filter_->thread_specific_idb_dispatcher();
+}
+
+WorkerTaskRunner* ChildThread::worker_task_runner() const {
+  return worker_task_runner_;
+}