[runtime] Move binary operator fallbacks into the runtime.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index dd43f0fe5b08df6f813d7fabd23ed9880c8d1a33..a31e5203226d55f7d64deab2fc428899429c50f4 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1102,8 +1102,7 @@ class Object {
       Handle<Object> input, ToPrimitiveHint hint = ToPrimitiveHint::kDefault);
 
   // ES6 section 7.1.3 ToNumber
-  MUST_USE_RESULT static MaybeHandle<Object> ToNumber(Isolate* isolate,
-                                                      Handle<Object> input);
+  MUST_USE_RESULT static MaybeHandle<Object> ToNumber(Handle<Object> input);
 
   // ES6 section 7.1.12 ToString
   MUST_USE_RESULT static MaybeHandle<String> ToString(Isolate* isolate,
@@ -1116,6 +1115,47 @@ class Object {
   // ES6 section 12.5.6 The typeof Operator
   static Handle<String> TypeOf(Isolate* isolate, Handle<Object> object);
 
+  // ES6 section 12.6 Multiplicative Operators
+  MUST_USE_RESULT static MaybeHandle<Object> Multiply(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> Divide(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> Modulus(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+
+  // ES6 section 12.7 Additive Operators
+  MUST_USE_RESULT static MaybeHandle<Object> Add(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> Subtract(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+
+  // ES6 section 12.8 Bitwise Shift Operators
+  MUST_USE_RESULT static MaybeHandle<Object> ShiftLeft(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> ShiftRight(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> ShiftRightLogical(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+
+  // ES6 section 12.11 Binary Bitwise Operators
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseAnd(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseOr(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+  MUST_USE_RESULT static MaybeHandle<Object> BitwiseXor(
+      Isolate* isolate, Handle<Object> lhs, Handle<Object> rhs,
+      Strength strength = Strength::WEAK);
+
   MUST_USE_RESULT static MaybeHandle<Object> GetProperty(
       LookupIterator* it, LanguageMode language_mode = SLOPPY);