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

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 201a9ef9be65fa269e1a65a96e1a153d9b39eda1..d3af29cf43f11f5168068b37022090d0cf8daee6 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -83,7 +83,7 @@ class CodeEventLogger::NameBuffer {
     } else {
       Symbol* symbol = Symbol::cast(name);
       AppendBytes("symbol(");
-      if (!symbol->name()->IsUndefined()) {
+      if (!symbol->name()->IsUndefined(symbol->GetIsolate())) {
         AppendBytes("\"");
         AppendString(String::cast(symbol->name()));
         AppendBytes("\" ");
@@ -1021,7 +1021,7 @@ void Logger::ApiNamedPropertyAccess(const char* tag,
   } else {
     Symbol* symbol = Symbol::cast(name);
     uint32_t hash = symbol->Hash();
-    if (symbol->name()->IsUndefined()) {
+    if (symbol->name()->IsUndefined(symbol->GetIsolate())) {
       ApiEvent("api,%s,\"%s\",symbol(hash %x)", tag, class_name.get(), hash);
     } else {
       base::SmartArrayPointer<char> str =
@@ -1089,7 +1089,7 @@ void Logger::CallbackEventInternal(const char* prefix, Name* name,
     msg.Append(",1,\"%s%s\"", prefix, str.get());
   } else {
     Symbol* symbol = Symbol::cast(name);
-    if (symbol->name()->IsUndefined()) {
+    if (symbol->name()->IsUndefined(symbol->GetIsolate())) {
       msg.Append(",1,symbol(hash %x)", symbol->Hash());
     } else {
       base::SmartArrayPointer<char> str =
@@ -1684,7 +1684,7 @@ void Logger::LogExistingFunction(Handle<SharedFunctionInfo> shared,
     // API function.
     FunctionTemplateInfo* fun_data = shared->get_api_func_data();
     Object* raw_call_data = fun_data->call_code();
-    if (!raw_call_data->IsUndefined()) {
+    if (!raw_call_data->IsUndefined(isolate_)) {
       CallHandlerInfo* call_data = CallHandlerInfo::cast(raw_call_data);
       Object* callback_obj = call_data->callback();
       Address entry_point = v8::ToCData<Address>(callback_obj);