Remove strong mode support from binary operations.

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index c0be628bbc0e4d4fc8b5cd7076dc1a03b5413e9e..7c409d06852c38bea8fadaf0c017a1b66e5520ae 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -1177,32 +1177,6 @@ RUNTIME_FUNCTION(Runtime_Compare) {
 }
 
 
-// TODO(bmeurer): Kill this special wrapper and use TF compatible LessThan,
-// GreaterThan, etc. which return true or false.
-RUNTIME_FUNCTION(Runtime_Compare_Strong) {
-  HandleScope scope(isolate);
-  DCHECK_EQ(3, args.length());
-  CONVERT_ARG_HANDLE_CHECKED(Object, x, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, y, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, ncr, 2);
-  Maybe<ComparisonResult> result = Object::Compare(x, y, Strength::STRONG);
-  if (result.IsJust()) {
-    switch (result.FromJust()) {
-      case ComparisonResult::kLessThan:
-        return Smi::FromInt(LESS);
-      case ComparisonResult::kEqual:
-        return Smi::FromInt(EQUAL);
-      case ComparisonResult::kGreaterThan:
-        return Smi::FromInt(GREATER);
-      case ComparisonResult::kUndefined:
-        return *ncr;
-    }
-    UNREACHABLE();
-  }
-  return isolate->heap()->exception();
-}
-
-
 RUNTIME_FUNCTION(Runtime_InstanceOf) {
   // ECMA-262, section 11.8.6, page 54.
   HandleScope shs(isolate);