Made iteration of global handles more efficient on scavenges.

src/global-handles.cc

Index: src/global-handles.cc
diff --git a/src/global-handles.cc b/src/global-handles.cc
index a57c8b0c278dc472311d8e143ccb84d1534bc8b7..57821d461c1d6ea95d1f7fc5f8b5c8e66840bc10 100644
--- a/src/global-handles.cc
+++ b/src/global-handles.cc
@@ -390,7 +390,7 @@ void GlobalHandles::PostGarbageCollectionProcessing() {
 }
 
 
-void GlobalHandles::IterateRoots(ObjectVisitor* v) {
+void GlobalHandles::IterateStrongRoots(ObjectVisitor* v) {
   // Traversal of global handles marked as NORMAL or NEAR_DEATH.

[Mads Ager (chromium), 2009/11/05 15:06:19]

This comment looks wrong.  We are only interating NORMAL handles here?

[Christian Plesner Hansen, 2009/11/05 15:11:03]

Fixed

   for (Node* current = head_; current != NULL; current = current->next()) {
     if (current->state_ == Node::NORMAL) {
@@ -400,6 +400,15 @@ void GlobalHandles::IterateRoots(ObjectVisitor* v) {
 }
 
 
+void GlobalHandles::IterateAllRoots(ObjectVisitor* v) {
+  for (Node* current = head_; current != NULL; current = current->next()) {
+    if (current->state_ != Node::DESTROYED) {
+      v->VisitPointer(&current->object_);
+    }
+  }
+}
+
+
 void GlobalHandles::TearDown() {
   // Reset all the lists.
   set_head(NULL);