Further build fixes: correct two more misnames of WebProcessShim.dyld.

* WebProcess/EntryPoint/mac/LegacyProcess/WebContentProcessMain.mm:
(WebKit::WebContentProcessMainDelegate::doPreInitializationWork):
* WebProcess/EntryPoint/mac/XPCService/WebContentService/Info.plist:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149119 268f45cc-cd09-0410-ab3c-d52691b4dbfc