[analyzer] Refactoring: Drop the 'GR' prefix.

llvm-svn: 122424
diff --git a/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h b/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
index 7fdccdc..63143eb 100644
--- a/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
+++ b/clang/lib/GR/Checkers/BasicObjCFoundationChecks.h
@@ -24,10 +24,10 @@
 namespace GR {
 
 class BugReporter;
-class GRExprEngine;
+class ExprEngine;
 
-void RegisterNSErrorChecks(BugReporter& BR, GRExprEngine &Eng, const Decl &D);
-void RegisterNSAutoreleasePoolChecks(GRExprEngine &Eng);
+void RegisterNSErrorChecks(BugReporter& BR, ExprEngine &Eng, const Decl &D);
+void RegisterNSAutoreleasePoolChecks(ExprEngine &Eng);
 
 } // end GR namespace