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

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 7985dfaeddf91501f8d11defebadd7ae8339554f..d6af3267c4452683b5e9fcfec05779239abc6d22 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -3521,9 +3521,8 @@ 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);
 }