[stubs] Don't pass name to Load/StoreGlobalViaContext stubs.

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 550610902f53bcbc9e838ce403f021b590993a18..9c15d394c1fc6f947b2e13c157f50f123ad5aaf0 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -338,8 +338,7 @@ void LAccessArgumentsAt::PrintDataTo(StringStream* stream) {
 
 
 void LLoadGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add(String::cast(*name())->ToCString().get());
-  stream->Add(" depth:%d slot:%d", depth(), slot_index());
+  stream->Add("depth:%d slot:%d", depth(), slot_index());
 }
 
 
@@ -362,10 +361,8 @@ void LStoreNamedGeneric::PrintDataTo(StringStream* stream) {
 
 
 void LStoreGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add(String::cast(*name())->ToCString().get());
-  stream->Add(" <- ");
+  stream->Add("depth:%d slot:%d <- ", depth(), slot_index());
   value()->PrintTo(stream);
-  stream->Add(" depth:%d slot:%d", depth(), slot_index());
 }