Remove (now) unused GetPropertyWithHandler.

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 4047 matching lines @@
 Maybe<bool> Object::RedefineIncompatibleProperty(Isolate* isolate,
                                                  Handle<Object> name,
                                                  Handle<Object> value,
                                                  ShouldThrow should_throw) {
   RETURN_FAILURE(isolate, should_throw,
                  NewTypeError(MessageTemplate::kRedefineDisallowed, name));
 }
 
 
 Maybe<bool> Object::SetDataProperty(LookupIterator* it, Handle<Object> value) {
-  // Proxies are handled on the WithHandler path. Other non-JSObjects cannot
-  // have own properties.
+  // Proxies are handled elsewhere. Other non-JSObjects cannot have own
+  // properties.
   Handle<JSObject> receiver = Handle<JSObject>::cast(it->GetReceiver());
 
   // Store on the holder which may be hidden behind the receiver.
   DCHECK(it->HolderIsReceiverOrHiddenPrototype());
 
   // Old value for the observation change record.
   // Fetch before transforming the object since the encoding may become
   // incompatible with what's cached in |it|.
   bool is_observed = receiver->map()->is_observed() &&
                      (it->IsElement() ||
@@ skipping 14975 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8