MIPS: Remove HCallGlobal and merge uses with HCallNamed.

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 9e7392c5cfca0dffa2f7cdd22b6fc24c1f0b6c48..a6ea871520afae4da7490ba21a01ed2d066b620a 100644
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -318,12 +318,6 @@ void LCallNamed::PrintDataTo(StringStream* stream) {
 }
 
 
-void LCallGlobal::PrintDataTo(StringStream* stream) {
-  SmartArrayPointer<char> name_string = name()->ToCString();
-  stream->Add("%s #%d / ", name_string.get(), arity());
-}
-
-
 void LCallKnownGlobal::PrintDataTo(StringStream* stream) {
   stream->Add("#%d / ", arity());
 }
@@ -1194,12 +1188,6 @@ LInstruction* LChunkBuilder::DoCallNamed(HCallNamed* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCallGlobal(HCallGlobal* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  return MarkAsCall(DefineFixed(new(zone()) LCallGlobal(context), v0), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoCallKnownGlobal(HCallKnownGlobal* instr) {
   return MarkAsCall(DefineFixed(new(zone()) LCallKnownGlobal, v0), instr);
 }