Dispatch IndexedDB IPC messages to worker threads

content/common/child_thread.h

Index: content/common/child_thread.h
diff --git a/content/common/child_thread.h b/content/common/child_thread.h
index acb1e3ab4781dd23cdeea83afbca6489fa032bd2..716c6f654713fe9b935e3406b0517f9ce6b62923 100644
--- a/content/common/child_thread.h
+++ b/content/common/child_thread.h
@@ -14,10 +14,13 @@
 #include "webkit/glue/resource_loader_bridge.h"
 
 class FileSystemDispatcher;
+class IndexedDBDispatcher;
+class IndexedDBMessageFilter;
 class MessageLoop;
 class QuotaDispatcher;
 class ResourceDispatcher;
 class SocketStreamDispatcher;
+class WorkerTaskRunner;
 
 namespace IPC {
 class SyncChannel;
@@ -79,6 +82,9 @@ class CONTENT_EXPORT ChildThread : public IPC::Channel::Listener,
   // Returns the one child thread.
   static ChildThread* current();
 
+  WorkerTaskRunner* worker_task_runner() const;
+  IndexedDBDispatcher* indexed_db_dispatcher() const;
+
  protected:
   friend class ChildProcess;
 
@@ -140,6 +146,10 @@ class CONTENT_EXPORT ChildThread : public IPC::Channel::Listener,
 
   scoped_ptr<QuotaDispatcher> quota_dispatcher_;
 
+  scoped_refptr<IndexedDBMessageFilter> idb_message_filter_;
+
+  scoped_refptr<WorkerTaskRunner> worker_task_runner_;
+
   DISALLOW_COPY_AND_ASSIGN(ChildThread);
 };