Fix a problem with the SyncChannel rewrite.  DispatchReplies needs to be called after the deserializer has been popped.  This now happens in the listener thread, so post a task to the IPC thread to do it.
Fix a problem with the SyncChannel rewrite.  DispatchReplies needs to be called after the deserializer has been popped.  This now happens in the listener thread, so post a task to the IPC thread to do it.

Review URL: http://codereview.chromium.org/8175

git-svn-id: http://src.chromium.org/svn/trunk/src@3971 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f17663c5051519d86440af698863b45d258ca5ec
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser