[libclang] Remove WorkingDir field from CIndexer, it has been rendered useless.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168738 91177308-0d34-0410-b5e6-96231b3b80d8

tools/libclang/CIndex.cpp

@@ -2486,7 +2486,6 @@ CXTranslationUnit clang_createTranslationUnit(CXIndex CIdx,
 
   CIndexer *CXXIdx = static_cast<CIndexer *>(CIdx);
   FileSystemOptions FileSystemOpts;
-  FileSystemOpts.WorkingDir = CXXIdx->getWorkingDirectory();
 
   IntrusiveRefCntPtr<DiagnosticsEngine> Diags;
   ASTUnit *TU = ASTUnit::LoadFromASTFile(ast_filename, Diags, FileSystemOpts,

tools/libclang/CIndexer.h

@@ -33,7 +33,6 @@ class CIndexer {
   unsigned Options; // CXGlobalOptFlags.
 
   llvm::sys::Path ResourcesPath;
-  std::string WorkingDir;
 
 public:
  CIndexer() : OnlyLocalDecls(false), DisplayDiagnostics(false),
@@ -59,9 +58,6 @@ public:
 
   /// \brief Get the path of the clang resource files.
   std::string getClangResourcesPath();
-
-  const std::string &getWorkingDirectory() const { return WorkingDir; }
-  void setWorkingDirectory(const std::string &Dir) { WorkingDir = Dir; }
 };
 
   /**