Replace HThrow with HCallRuntime.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 3885b6b6967526d111d3aa212b3bd3a4be8cfd60..da6b7dd09fee11a06074ef53ef078a720390b59d 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -1765,13 +1765,6 @@ LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoThrow(HThrow* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* value = UseFixed(instr->value(), r0);
-  return MarkAsCall(new(zone()) LThrow(context, value), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) {
   return NULL;
 }