A follow-up to r7125: fix a couple of remaining comments.

Review URL: http://codereview.chromium.org/6626043/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7126 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap-profiler.cc

@@ -367,6 +367,7 @@ HeapSnapshot* HeapProfiler::TakeSnapshot(String* name,
 void HeapProfiler::DefineWrapperClass(
     uint16_t class_id, v8::HeapProfiler::WrapperInfoCallback callback) {
   ASSERT(singleton_ != NULL);
+  ASSERT(class_id != v8::HeapProfiler::kPersistentHandleNoClassId);
   if (singleton_->wrapper_callbacks_.length() <= class_id) {
     singleton_->wrapper_callbacks_.AddBlock(
         NULL, class_id - singleton_->wrapper_callbacks_.length() + 1);

src/profile-generator.cc

@@ -1226,7 +1226,7 @@ HeapSnapshot::HeapSnapshot(HeapSnapshotsCollection* collection,
       uid_(uid),
       root_entry_(NULL),
       gc_roots_entry_(NULL),
-      dom_subtrees_root_entry_(NULL),
+      natives_root_entry_(NULL),
       raw_entries_(NULL),
       entries_sorted_(false),
       retaining_paths_(HeapEntry::Match) {
@@ -1303,8 +1303,8 @@ HeapEntry* HeapSnapshot::AddGcRootsEntry(int children_count,
 
 HeapEntry* HeapSnapshot::AddNativesRootEntry(int children_count,
                                                  int retainers_count) {
-  ASSERT(dom_subtrees_root_entry_ == NULL);
-  return (dom_subtrees_root_entry_ = AddEntry(
+  ASSERT(natives_root_entry_ == NULL);
+  return (natives_root_entry_ = AddEntry(
       HeapEntry::kObject,
       "(Native objects)",
       HeapObjectsMap::kNativesRootObjectId,
@@ -2338,7 +2338,7 @@ void NativeObjectsExplorer::SetNativeRootReference(
   ASSERT(child_entry != NULL);
   filler_->SetIndexedAutoIndexReference(
       HeapGraphEdge::kElement,
-      kNativesRootObject, snapshot_->dom_subtrees_root(),
+      kNativesRootObject, snapshot_->natives_root(),
       info, child_entry);
 }
 
@@ -2363,7 +2363,7 @@ void NativeObjectsExplorer::SetRootNativesRootReference() {
   filler_->SetIndexedAutoIndexReference(
       HeapGraphEdge::kElement,
       V8HeapExplorer::kInternalRootObject, snapshot_->root(),
-      kNativesRootObject, snapshot_->dom_subtrees_root());
+      kNativesRootObject, snapshot_->natives_root());
 }
 
 

src/profile-generator.h

@@ -680,7 +680,7 @@ class HeapSnapshot {
   unsigned uid() { return uid_; }
   HeapEntry* root() { return root_entry_; }
   HeapEntry* gc_roots() { return gc_roots_entry_; }
-  HeapEntry* dom_subtrees_root() { return dom_subtrees_root_entry_; }
+  HeapEntry* natives_root() { return natives_root_entry_; }
   List<HeapEntry*>* entries() { return &entries_; }
 
   void AllocateEntries(
@@ -715,7 +715,7 @@ class HeapSnapshot {
   unsigned uid_;
   HeapEntry* root_entry_;
   HeapEntry* gc_roots_entry_;
-  HeapEntry* dom_subtrees_root_entry_;
+  HeapEntry* natives_root_entry_;
   char* raw_entries_;
   List<HeapEntry*> entries_;
   bool entries_sorted_;