Fix crash in debug builds introduced with r21110.

src/mips/lithium-mips.cc

Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 6243f43bb565315a39ba34690746421ca8be1eaa..d5280ffcbf4a3efb20bae01f6de6f2311c663fb6 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -428,18 +428,12 @@ LPlatformChunk* LChunkBuilder::Build() {
 }
 
 
-void LCodeGen::Abort(BailoutReason reason) {
+void LChunkBuilder::Abort(BailoutReason reason) {
   info()->set_bailout_reason(reason);
   status_ = ABORTED;
 }
 
 
-void LChunkBuilder::AddDeprecationDependency(Handle<Map> map) {
-  if (map->is_deprecated()) return Abort(kMapBecameDeprecated);
-  chunk_->AddDeprecationDependency(map);
-}
-
-
 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) {
   return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER,
                                   Register::ToAllocationIndex(reg));
@@ -2257,11 +2251,6 @@ LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) {
   // We need a temporary register for write barrier of the map field.
   LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL;
 
-  // Add a deprecation dependency on the transition target map.
-  if (instr->has_transition()) {
-    AddDeprecationDependency(instr->transition_map());
-  }
-
   LInstruction* result = new(zone()) LStoreNamedField(obj, val, temp);
   if (!instr->access().IsExternalMemory() &&
       instr->field_representation().IsHeapObject() &&