Kill PreprocessorFactory, which was both morally repugnant and totally unused.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86076 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/HTMLDiagnostics.cpp b/lib/Frontend/HTMLDiagnostics.cpp
index 9d6f96c..648ecac 100644
--- a/lib/Frontend/HTMLDiagnostics.cpp
+++ b/lib/Frontend/HTMLDiagnostics.cpp
@@ -77,7 +77,6 @@
 
 PathDiagnosticClient*
 clang::CreateHTMLDiagnosticClient(const std::string& prefix, Preprocessor* PP,
-                                  PreprocessorFactory*,
                                   llvm::SmallVectorImpl<std::string>* FilesMade)
 {
   return new HTMLDiagnostics(prefix, PP, FilesMade);
@@ -111,8 +110,7 @@
 
 PathDiagnosticClientFactory*
 clang::CreateHTMLDiagnosticClientFactory(const std::string& prefix,
-                                         Preprocessor* PP,
-                                         PreprocessorFactory*) {
+                                         Preprocessor* PP) {
   return new HTMLDiagnosticsFactory(prefix, PP);
 }
 
@@ -216,12 +214,6 @@
   // for example.
 
   if (PP) html::SyntaxHighlight(R, FID, *PP);
-
-  // FIXME: We eventually want to use PPF to create a fresh Preprocessor,
-  //  once we have worked out the bugs.
-  //
-  // if (PPF) html::HighlightMacros(R, FID, *PPF);
-  //
   if (PP) html::HighlightMacros(R, FID, *PP);
 
   // Get the full directory name of the analyzed file.