Remove ExitContextStatement.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 01046bf9bfe52438cfe2f7c65dbc6469a0d92b29..8c937c04b85d99844b2f718833ab0d3ae787b4bd 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -2652,14 +2652,6 @@ void HGraphBuilder::VisitWithStatement(WithStatement* stmt) {
 }
 
 
-void HGraphBuilder::VisitExitContextStatement(ExitContextStatement* stmt) {
-  ASSERT(!HasStackOverflow());
-  ASSERT(current_block() != NULL);
-  ASSERT(current_block()->HasPredecessor());
-  return Bailout("ExitContextStatement");
-}
-
-
 void HGraphBuilder::VisitSwitchStatement(SwitchStatement* stmt) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);