Remove the ASTContext parameter from the getBody() methods of Decl and subclasses.

Timings showed no significant difference before and after the commit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74504 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CFRefCount.cpp b/lib/Analysis/CFRefCount.cpp
index b25fdb3..619dbe5 100644
--- a/lib/Analysis/CFRefCount.cpp
+++ b/lib/Analysis/CFRefCount.cpp
@@ -2632,7 +2632,7 @@
   
   if (!L.isValid()) {
     const Decl &D = BRC.getCodeDecl();
-    L = PathDiagnosticLocation(D.getBodyRBrace(BRC.getASTContext()), SMgr);
+    L = PathDiagnosticLocation(D.getBodyRBrace(), SMgr);
   }
   
   std::string sbuf;