now the FileManager has a FileSystemOpts ivar, stop threading
FileSystemOpts through a ton of apis, simplifying a lot of code.
This also fixes a latent bug in ASTUnit where it would invoke
methods on FileManager without creating one in some code paths
in cindextext.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/ASTMerge.cpp b/lib/Frontend/ASTMerge.cpp
index d4ed8d3..ec07441 100644
--- a/lib/Frontend/ASTMerge.cpp
+++ b/lib/Frontend/ASTMerge.cpp
@@ -51,10 +51,8 @@
 
     ASTImporter Importer(CI.getASTContext(), 
                          CI.getFileManager(),
-                         CI.getFileSystemOpts(),
                          Unit->getASTContext(), 
-                         Unit->getFileManager(),
-                         Unit->getFileSystemOpts());
+                         Unit->getFileManager());
 
     TranslationUnitDecl *TU = Unit->getASTContext().getTranslationUnitDecl();
     for (DeclContext::decl_iterator D = TU->decls_begin(),