Refactor RenderProcessHost to use IPC::Listener instead of RenderWidgetHost

chrome/browser/performance_monitor/performance_monitor.cc

 // Copyright (c) 2012 The Chromium 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 "chrome/browser/performance_monitor/performance_monitor.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 600 matching lines @@
   // We only care if this is an invalid termination.
   if (details.status == base::TERMINATION_STATUS_NORMAL_TERMINATION ||
       details.status == base::TERMINATION_STATUS_STILL_RUNNING)
     return;
 
   // Determine the type of crash.
   EventType type =
       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())
+  content::RenderWidgetHost::List widgets =
+      content::RenderWidgetHost::GetRenderWidgetHosts();
+  for (size_t i = 0; i < widgets.size(); ++i) {
+    if (widgets[i]->GetProcess()->GetID() != host->GetID())
+      continue;
+    if (!widgets[i]->IsRenderView())
       continue;
 
-    content::RenderViewHost* view =
-        content::RenderViewHost::From(
-            const_cast<content::RenderWidgetHost*>(widget));
-
+    content::RenderViewHost* view = content::RenderViewHost::From(widgets[i]);
     std::string url;
     if (!MaybeGetURLFromRenderView(view, &url))
       continue;
 
     if (!url_list.empty())
       url_list += ", ";
 
     url_list += url;
   }
 
   AddEvent(util::CreateRendererFailureEvent(base::Time::Now(), type, url_list));
 }
 
 }  // namespace performance_monitor