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 a2b98640cf1115df5f03fabe7135ed59007be123..f424d6417a6dcef8792eff60b0ea392571e7a19e 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;
 
@@ -136,6 +142,10 @@ 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);
 };