Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/snapshot/serializer.cc

 // Copyright 2016 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/snapshot/serializer.h"
 
 #include "src/macro-assembler.h"
 #include "src/snapshot/natives.h"
 
 namespace v8 {
@@ skipping 650 matching lines @@
   int skip = OutputRawData(rinfo->pc(), kCanReturnSkipInsteadOfSkipping);
   Cell* object = Cell::cast(rinfo->target_cell());
   serializer_->SerializeObject(object, kPlain, kInnerPointer, skip);
   bytes_processed_so_far_ += kPointerSize;
 }
 
 bool Serializer::ObjectSerializer::SerializeExternalNativeSourceString(
     int builtin_count,
     v8::String::ExternalOneByteStringResource** resource_pointer,
     FixedArray* source_cache, int resource_index) {
+  Isolate* isolate = serializer_->isolate();
   for (int i = 0; i < builtin_count; i++) {
     Object* source = source_cache->get(i);
-    if (!source->IsUndefined()) {
+    if (!source->IsUndefined(isolate)) {
       ExternalOneByteString* string = ExternalOneByteString::cast(source);
       typedef v8::String::ExternalOneByteStringResource Resource;
       const Resource* resource = string->resource();
       if (resource == *resource_pointer) {
         sink_->Put(resource_index, "NativesStringResource");
         sink_->PutSection(i, "NativesStringResourceEnd");
         bytes_processed_so_far_ += sizeof(resource);
         return true;
       }
     }
@@ skipping 90 matching lines @@
   if (to_skip != 0 && return_skip == kIgnoringReturn) {
     sink_->Put(kSkip, "Skip");
     sink_->PutInt(to_skip, "SkipDistance");
     to_skip = 0;
   }
   return to_skip;
 }
 
 }  // namespace internal
 }  // namespace v8