Remove unused IncrProcessing parameter from Preprocessor ctor

Preprocessor::enableIncrementalProcessing() provides a consistent interface to
enable the feature.

llvm-svn: 207824
diff --git a/clang/include/clang/Lex/Preprocessor.h b/clang/include/clang/Lex/Preprocessor.h
index 23445e8..883de78 100644
--- a/clang/include/clang/Lex/Preprocessor.h
+++ b/clang/include/clang/Lex/Preprocessor.h
@@ -461,7 +461,6 @@
                IdentifierInfoLookup *IILookup = 0,
                bool OwnsHeaderSearch = false,
                bool DelayInitialization = false,
-               bool IncrProcessing = false,
                TranslationUnitKind TUKind = TU_Complete);
 
   ~Preprocessor();
diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 1fa1f4a..aa2e07e 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -244,7 +244,6 @@
                         getSourceManager(), *HeaderInfo, *this, PTHMgr,
                         /*OwnsHeaderSearch=*/true,
                         /*DelayInitialization=*/false,
-                        /*IncrProcessing=*/false,
                         TUKind);
 
   // Note that this is different then passing PTHMgr to Preprocessor's ctor.
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index d85df38..adbee6e 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -59,12 +59,11 @@
                            const TargetInfo *target, SourceManager &SM,
                            HeaderSearch &Headers, ModuleLoader &TheModuleLoader,
                            IdentifierInfoLookup *IILookup, bool OwnsHeaders,
-                           bool DelayInitialization, bool IncrProcessing,
-                           TranslationUnitKind TUKind)
+                           bool DelayInitialization, TranslationUnitKind TUKind)
     : PPOpts(PPOpts), Diags(&diags), LangOpts(opts), Target(target),
       FileMgr(Headers.getFileMgr()), SourceMgr(SM), HeaderInfo(Headers),
       TheModuleLoader(TheModuleLoader), ExternalSource(0),
-      Identifiers(opts, IILookup), IncrementalProcessing(IncrProcessing),
+      Identifiers(opts, IILookup), IncrementalProcessing(false),
       TUKind(TUKind),
       CodeComplete(0), CodeCompletionFile(0), CodeCompletionOffset(0),
       LastTokenWasAt(false), ModuleImportExpectsIdentifier(false),