Remove several JSFunction delegator functions.

src/isolate.cc

 // Copyright 2012 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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 298 matching lines @@
   if ((fun == caller) && !(*seen_caller)) {
     *seen_caller = true;
     return false;
   }
   // Skip all frames until we've seen the caller.
   if (!(*seen_caller)) return false;
   // Functions defined in native scripts are not visible unless directly
   // exposed, in which case the native flag is set.
   // The --builtins-in-stack-traces command line flag allows including
   // internal call sites in the stack trace for debugging purposes.
-  if (!FLAG_builtins_in_stack_traces && fun->IsBuiltin()) {
+  if (!FLAG_builtins_in_stack_traces && fun->shared()->IsBuiltin()) {
     return fun->shared()->native();
   }
   return true;
 }
 
 
 Handle<Object> Isolate::CaptureSimpleStackTrace(Handle<JSObject> error_object,
                                                 Handle<Object> caller) {
   // Get stack trace limit.
   Handle<JSObject> error = error_function();
@@ skipping 1004 matching lines @@
       JSReceiver::GetDataProperty(Handle<JSObject>::cast(exception), key);
   if (!property->IsJSArray()) return false;
   Handle<JSArray> simple_stack_trace = Handle<JSArray>::cast(property);
 
   Handle<FixedArray> elements(FixedArray::cast(simple_stack_trace->elements()));
   int elements_limit = Smi::cast(simple_stack_trace->length())->value();
 
   for (int i = 1; i < elements_limit; i += 4) {
     Handle<JSFunction> fun =
         handle(JSFunction::cast(elements->get(i + 1)), this);
-    if (!fun->IsSubjectToDebugging()) continue;
+    if (!fun->shared()->IsSubjectToDebugging()) continue;
 
     Object* script = fun->shared()->script();
     if (script->IsScript() &&
         !(Script::cast(script)->source()->IsUndefined())) {
       int pos = PositionFromStackTrace(elements, i);
       Handle<Script> casted_script(Script::cast(script));
       *target = MessageLocation(casted_script, pos, pos + 1);
       return true;
     }
   }
@@ skipping 1496 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8