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/ResolveLocation.cpp b/lib/Frontend/ResolveLocation.cpp
index 4bbb94d..3908e89 100644
--- a/lib/Frontend/ResolveLocation.cpp
+++ b/lib/Frontend/ResolveLocation.cpp
@@ -211,7 +211,7 @@
   // Finally, search through the body of the function.
   if (D->isThisDeclarationADefinition()) {
     StmtLocResolver SLR(Ctx, Loc);
-    SLR.Visit(D->getBody(Ctx));
+    SLR.Visit(D->getBody());
     if (SLR.FoundIt()) {
       llvm::tie(Dcl, Stm) = SLR.getResult();
       // If we didn't find a more immediate 'parent' declaration for the