Remove HCallGlobal and merge uses with HCallNamed.

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 b72417e8c854c384e278872d04313f1d30d095b3..08f872859cc27c207f0a16411d04e1a82edd165e 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -313,12 +313,6 @@ 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());
 }
@@ -1188,12 +1182,6 @@ LInstruction* LChunkBuilder::DoCallNamed(HCallNamed* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCallGlobal(HCallGlobal* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  return MarkAsCall(DefineFixed(new(zone()) LCallGlobal(context), r0), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoCallKnownGlobal(HCallKnownGlobal* instr) {
   return MarkAsCall(DefineFixed(new(zone()) LCallKnownGlobal, r0), instr);
 }