[runtime] DeclareGlobals and DeclareLookupSlot don't need context parameters.

src/mips64/lithium-codegen-mips64.cc

Index: src/mips64/lithium-codegen-mips64.cc
diff --git a/src/mips64/lithium-codegen-mips64.cc b/src/mips64/lithium-codegen-mips64.cc
index 999db36c879039c765f49124a8f3a81622d2f453..b2d5332dc11a71c6e8b57c90bd4060a9f354d1e8 100644
--- a/src/mips64/lithium-codegen-mips64.cc
+++ b/src/mips64/lithium-codegen-mips64.cc
@@ -3686,9 +3686,8 @@ void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) {
   DCHECK(ToRegister(instr->context()).is(cp));
   __ li(scratch0(), instr->hydrogen()->pairs());
   __ li(scratch1(), Operand(Smi::FromInt(instr->hydrogen()->flags())));
-  // The context is the first argument.
-  __ Push(cp, scratch0(), scratch1());
-  CallRuntime(Runtime::kDeclareGlobals, 3, instr);
+  __ Push(scratch0(), scratch1());
+  CallRuntime(Runtime::kDeclareGlobals, 2, instr);
 }