[ast] Actually print the try-block in AstPrinter.

This fixes a refactoring bug in the AstPrinter to actually print the
try-block of {TryCatchStatement} and {TryFinallyStatement} nodes.

R=neis@chromium.org

Change-Id: I6448251c1eed3f85100902592a76dc7d3a614334
Reviewed-on: https://chromium-review.googlesource.com/571748Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46670}

src/ast/prettyprinter.cc

@@ -880,6 +880,7 @@ void AstPrinter::VisitForOfStatement(ForOfStatement* node) {
 
 void AstPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
   IndentedScope indent(this, "TRY CATCH", node->position());
+  PrintIndentedVisit("TRY", node->try_block());
   PrintIndented("CATCH PREDICTION");
   const char* prediction = "";
   switch (node->GetCatchPrediction(HandlerTable::UNCAUGHT)) {
@@ -908,6 +909,7 @@ void AstPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
 
 void AstPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) {
   IndentedScope indent(this, "TRY FINALLY", node->position());
+  PrintIndentedVisit("TRY", node->try_block());
   PrintIndentedVisit("FINALLY", node->finally_block());
 }