Refactor RenderProcessHost to use IPC::Listener instead of RenderWidgetHost

chrome/browser/performance_monitor/performance_monitor.cc

Index: chrome/browser/performance_monitor/performance_monitor.cc
diff --git a/chrome/browser/performance_monitor/performance_monitor.cc b/chrome/browser/performance_monitor/performance_monitor.cc
index 5f805653d5e5520cb90cc5922890388deb5b20f1..22bd595c13c34aa7fb5eda35b052a59f746463f7 100644
--- a/chrome/browser/performance_monitor/performance_monitor.cc
+++ b/chrome/browser/performance_monitor/performance_monitor.cc
@@ -620,17 +620,21 @@ void PerformanceMonitor::AddRendererClosedEvent(
       details.status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED ?
       EVENT_RENDERER_KILLED : EVENT_RENDERER_CRASH;
 
-  content::RenderProcessHost::RenderWidgetHostsIterator iter =
-      host->GetRenderWidgetHostsIterator();
-
   // A RenderProcessHost may contain multiple render views - for each valid
   // render view, extract the url, and append it to the string, comma-separating
   // the entries.
   std::string url_list;
-  for (; !iter.IsAtEnd(); iter.Advance()) {
-    const content::RenderWidgetHost* widget = iter.GetCurrentValue();
-    DCHECK(widget);
-    if (!widget || !widget->IsRenderView())
+
+  scoped_ptr<content::RenderWidgetHost::List> hosts =
+      content::RenderWidgetHost::GetRenderWidgetHosts();
+  for (content::RenderWidgetHost::List::const_iterator it = hosts->begin();
+      it != hosts->end();
+      ++it) {
+    const content::RenderWidgetHost* widget = *it;
+    if (widget->GetProcess()->GetID() != host->GetID())
+      continue;
+
+    if (!widget->IsRenderView())
       continue;
 
     content::RenderViewHost* view =