Bug 1022855 - Rename nsCSSStyleSheet to mozilla::CSSStyleSheet; r=heycam

--HG--
rename : layout/style/nsCSSStyleSheet.cpp => layout/style/CSSStyleSheet.cpp
rename : layout/style/nsCSSStyleSheet.h => layout/style/CSSStyleSheet.h
Bug 974327 - Cleanup nsJSContext::GetGlobalObject(); r=bholley
The removed code is never reached, as GetWindowProxy() returns a JSObject
with OuterWindowProxyClass as its JSClass, and this will test false for
IsDOMClass and
(~c->flags) & (JSCLASS_HAS_PRIVATE | JSCLASS_PRIVATE_IS_NSISUPPORTS).
Bug 1025022 - Pass T* to nsCOMArray::Contains; r=NeilAway
Bug 1026739 - Remove unused INTERFACE_CHAIN macro; r=bz