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/Frontend/DeclXML.cpp b/lib/Frontend/DeclXML.cpp
index 5c21999..dcc9cea 100644
--- a/lib/Frontend/DeclXML.cpp
+++ b/lib/Frontend/DeclXML.cpp
@@ -147,7 +147,7 @@
   DeclPrinter(*this).Visit(D);
   if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 
   {
-    if (Stmt *Body = FD->getBody(*Ctx)) {
+    if (Stmt *Body = FD->getBody()) {
       addSubNode("Body");
       PrintStmt(Body);
       toParent();