Refactor RenderProcessHost to use IPC::Listener instead of RenderWidgetHost

chrome/browser/extensions/api/processes/processes_api.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/extensions/api/processes/processes_api.h"
 
 #include "base/callback.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
@@ skipping 94 matching lines @@
   // The tabs list only makes sense for render processes, so if we don't find
   // one, just return the empty list.
   content::RenderProcessHost* rph =
       content::RenderProcessHost::FromID(process_id);
   if (rph == NULL)
     return tabs_list;
 
   int tab_id = -1;
   // We need to loop through all the RVHs to ensure we collect the set of all
   // tabs using this renderer process.
-  content::RenderProcessHost::RenderWidgetHostsIterator iter(
-      rph->GetRenderWidgetHostsIterator());
-  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() != process_id)
+      continue;
+    if (!widgets[i]->IsRenderView())
       continue;
 
-    content::RenderViewHost* host = content::RenderViewHost::From(
-        const_cast<content::RenderWidgetHost*>(widget));
+    content::RenderViewHost* host = content::RenderViewHost::From(widgets[i]);
     content::WebContents* contents =
         content::WebContents::FromRenderViewHost(host);
     if (contents) {
       tab_id = ExtensionTabUtil::GetTabId(contents);
       if (tab_id != -1)
         tabs_list->Append(Value::CreateIntegerValue(tab_id));
     }
   }
 
   return tabs_list;
@@ skipping 636 matching lines @@
 
   SetResult(processes);
   SendResponse(true);
 
   // Balance the AddRef in the RunImpl.
   Release();
 #endif  // defined(ENABLE_TASK_MANAGER)
 }
 
 }  // namespace extensions