Remove Diagnostic.h include from Preprocessor.h.

- Move the offending methods out of line and fix transitive includers.
- This required changing an enum in the PPCallback API into an unsigned.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149782 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp b/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp
index 0c6b228..575db60 100644
--- a/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp
+++ b/lib/StaticAnalyzer/Core/TextPathDiagnostics.cpp
@@ -13,6 +13,7 @@
 
 #include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 #include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
+#include "clang/Basic/Diagnostic.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace clang;
diff --git a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
index e13b86c..ba64d98 100644
--- a/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
+++ b/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
@@ -27,6 +27,7 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
 #include "clang/StaticAnalyzer/Core/PathDiagnosticConsumers.h"
 
+#include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Frontend/AnalyzerOptions.h"