AllocationProfiler: Inital version of RecordObjectAllocation for hydrogen.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index f54d4a5b0cd9b8faf260937b28726da3d81bfd33..e567630a9daf9f9c305cd4555a7e1359b174a949 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -1030,6 +1030,13 @@ void LCodeGen::DoCallStub(LCallStub* instr) {
 }
 
 
+void LCodeGen::DoCallExternal(LCallExternal* instr) {
+  __ CallExternalReference(
+      instr->external_reference(),
+      instr->arity());
+}
+
+
 void LCodeGen::DoUnknownOSRValue(LUnknownOSRValue* instr) {
   GenerateOsrPrologue();
 }