Introduce new stepping mode to step into another frame.

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 <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
@@ skipping 524 matching lines @@
 }
 
 
 MaybeHandle<Object> Object::GetPropertyWithDefinedGetter(
     Handle<Object> receiver,
     Handle<JSReceiver> getter) {
   Isolate* isolate = getter->GetIsolate();
   Debug* debug = isolate->debug();
   // Handle stepping into a getter if step into is active.
   // TODO(rossberg): should this apply to getters that are function proxies?
-  if (debug->StepInActive() && getter->IsJSFunction()) {
-    debug->HandleStepIn(
-        Handle<JSFunction>::cast(getter), Handle<Object>::null(), 0, false);
+  if (debug->is_active()) {
+    debug->HandleStepIn(getter, Handle<Object>::null(), 0, false);
   }
 
   return Execution::Call(isolate, getter, receiver, 0, NULL, true);
 }
 
 
 MaybeHandle<Object> Object::SetPropertyWithDefinedSetter(
     Handle<Object> receiver,
     Handle<JSReceiver> setter,
     Handle<Object> value) {
   Isolate* isolate = setter->GetIsolate();
 
   Debug* debug = isolate->debug();
   // Handle stepping into a setter if step into is active.
   // TODO(rossberg): should this apply to getters that are function proxies?
-  if (debug->StepInActive() && setter->IsJSFunction()) {
-    debug->HandleStepIn(
-        Handle<JSFunction>::cast(setter), Handle<Object>::null(), 0, false);
+  if (debug->is_active()) {
+    debug->HandleStepIn(setter, Handle<Object>::null(), 0, false);
   }
 
   Handle<Object> argv[] = { value };
   RETURN_ON_EXCEPTION(isolate, Execution::Call(isolate, setter, receiver,
                                                arraysize(argv), argv, true),
                       Object);
   return value;
 }
 
 
@@ skipping 15989 matching lines @@
   Handle<DependentCode> codes =
       DependentCode::Insert(handle(cell->dependent_code(), info->isolate()),
                             DependentCode::kPropertyCellChangedGroup,
                             info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal