Move SWClientConnection class out of server/ folder

Move SWClientConnection class out of server/ folder
https://bugs.webkit.org/show_bug.cgi?id=180217

Reviewed by Brady Eidson.

Move SWClientConnection class out of server/ folder since the client connection
lives in the WebProcess, not the Storage process.

* Sources.txt:
* WebCore.xcodeproj/project.pbxproj:
* workers/service/SWClientConnection.cpp: Renamed from Source/WebCore/workers/service/server/SWClientConnection.cpp.
(WebCore::SWClientConnection::scheduleJob):
(WebCore::SWClientConnection::finishedFetchingScript):
(WebCore::SWClientConnection::failedFetchingScript):
(WebCore::SWClientConnection::jobRejectedInServer):
(WebCore::SWClientConnection::registrationJobResolvedInServer):
(WebCore::SWClientConnection::unregistrationJobResolvedInServer):
(WebCore::SWClientConnection::startScriptFetchForServer):
(WebCore::SWClientConnection::postMessageToServiceWorkerClient):
(WebCore::SWClientConnection::forEachContainer):
(WebCore::SWClientConnection::updateRegistrationState):
(WebCore::SWClientConnection::updateWorkerState):
(WebCore::SWClientConnection::fireUpdateFoundEvent):
(WebCore::SWClientConnection::notifyClientsOfControllerChange):
* workers/service/SWClientConnection.h: Renamed from Source/WebCore/workers/service/server/SWClientConnection.h.
* workers/service/ServiceWorkerContainer.cpp:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@225355 268f45cc-cd09-0410-ab3c-d52691b4dbfc