[chromium] Remove WebView's sharedGraphicsContext3D method.
https://bugs.webkit.org/show_bug.cgi?id=111499

Reviewed by James Robinson.

* public/WebView.h:
(WebView):
* src/WebViewImpl.cpp:
* src/WebViewImpl.h:
(WebViewImpl):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@145091 268f45cc-cd09-0410-ab3c-d52691b4dbfc