Make CompilerInstance::InitializeSourceManager accept a FrontendInputFile,
no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167626 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/FrontendAction.cpp b/lib/Frontend/FrontendAction.cpp
index 2974334..8d153a3 100644
--- a/lib/Frontend/FrontendAction.cpp
+++ b/lib/Frontend/FrontendAction.cpp
@@ -369,10 +369,7 @@
   // Initialize the main file entry. This needs to be delayed until after PCH
   // has loaded.
   if (!isCurrentFileAST()) {
-    if (!CI.InitializeSourceManager(getCurrentFile(),
-                                    getCurrentInput().IsSystem
-                                      ? SrcMgr::C_System
-                                      : SrcMgr::C_User))
+    if (!CI.InitializeSourceManager(getCurrentInput()))
       return false;
   }