[Chromium] Move WorkerContextProxy to WebCore
https://bugs.webkit.org/show_bug.cgi?id=108847

Reviewed by Adam Barth.

Part of a larger refactoring series; see tracking bug 106829.

Source/WebCore:

* WebCore.gyp/WebCore.gyp:
* WebCore.gypi:
* workers/chromium: Added.
* workers/chromium/WorkerContextProxyChromium.cpp: Added.
(WebCore):
(WebCore::setWorkerContextProxyCreateFunction):
(WebCore::WorkerContextProxy::create):
* workers/chromium/WorkerContextProxyChromium.h: Added.
(WebCore):

Source/WebKit/chromium:

* WebKit.gyp:
* src/WebKit.cpp:
(WebKit::initializeWithoutV8):
* src/WorkerContextProxy.cpp: Removed.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@141818 268f45cc-cd09-0410-ab3c-d52691b4dbfc