Drop the ASTContext.h include from DeclFriend.h and DeclTemplate.h.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ARCMigrate/Transforms.cpp b/lib/ARCMigrate/Transforms.cpp
index 7159836..1175c36 100644
--- a/lib/ARCMigrate/Transforms.cpp
+++ b/lib/ARCMigrate/Transforms.cpp
@@ -9,13 +9,14 @@
 
 #include "Transforms.h"
 #include "Internals.h"
-#include "clang/Sema/SemaDiagnostic.h"
-#include "clang/Sema/Sema.h"
+#include "clang/Analysis/DomainSpecific/CocoaConventions.h"
+#include "clang/AST/ASTContext.h"
 #include "clang/AST/RecursiveASTVisitor.h"
 #include "clang/AST/StmtVisitor.h"
-#include "clang/Lex/Lexer.h"
 #include "clang/Basic/SourceManager.h"
-#include "clang/Analysis/DomainSpecific/CocoaConventions.h"
+#include "clang/Lex/Lexer.h"
+#include "clang/Sema/Sema.h"
+#include "clang/Sema/SemaDiagnostic.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/DenseSet.h"
 #include <map>