Minor performance improvements to the LookupIterator

src/lookup.cc

 // Copyright 2014 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/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/deoptimizer.h"
 #include "src/lookup.h"
 #include "src/lookup-inl.h"
@@ skipping 69 matching lines @@
 Handle<JSObject> LookupIterator::GetStoreTarget() const {
   if (receiver_->IsJSGlobalProxy()) {
     PrototypeIterator iter(isolate(), receiver_);
     if (iter.IsAtEnd()) return Handle<JSGlobalProxy>::cast(receiver_);
     return Handle<JSGlobalObject>::cast(PrototypeIterator::GetCurrent(iter));
   }
   return Handle<JSObject>::cast(receiver_);
 }
 
 
-bool LookupIterator::IsBootstrapping() const {
-  return isolate_->bootstrapper()->IsActive();
-}
-
-
 bool LookupIterator::HasAccess() const {
   DCHECK_EQ(ACCESS_CHECK, state_);
   return isolate_->MayAccess(GetHolder<JSObject>());
 }
 
 
 void LookupIterator::ReloadPropertyInformation() {
   state_ = BEFORE_PROPERTY;
   interceptor_state_ = InterceptorState::kUninitialized;
   state_ = LookupInHolder(*holder_map_, *holder_);
@@ skipping 370 matching lines @@
       case InterceptorState::kSkipNonMasking:
         return true;
       case InterceptorState::kProcessNonMasking:
         return false;
     }
   }
   return interceptor_state_ == InterceptorState::kProcessNonMasking;
 }
 }  // namespace internal
 }  // namespace v8