Separate RenderViewHost from RenderWidgetHost, part 4: delegate

chrome/browser/memory_details.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/memory_details.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 222 matching lines @@
       DCHECK(render_process_host);
       // Ignore processes that don't have a connection, such as crashed tabs.
       if (!render_process_host->HasConnection() ||
           process.pid != base::GetProcId(render_process_host->GetHandle())) {
         continue;
       }
 
       // The RenderProcessHost may host multiple WebContentses.  Any
       // of them which contain diagnostics information make the whole
       // process be considered a diagnostics process.
-      if (!widget->IsRenderView())
+      RenderViewHost* host = RenderViewHost::From(widget);
+      if (!host)
         continue;
 
       process.process_type = content::PROCESS_TYPE_RENDERER;
       bool is_extension = false;
-      RenderViewHost* host = RenderViewHost::From(widget);
 #if defined(ENABLE_EXTENSIONS)
       content::BrowserContext* context =
           render_process_host->GetBrowserContext();
       extensions::ExtensionRegistry* extension_registry =
           extensions::ExtensionRegistry::Get(context);
       extensions::ProcessMap* extension_process_map =
           extensions::ProcessMap::Get(context);
       is_extension = extension_process_map->Contains(
           host->GetProcess()->GetID());
 #endif
@@ skipping 109 matching lines @@
     if (chrome_browser->processes[index].process_type ==
         content::PROCESS_TYPE_UNKNOWN) {
       chrome_browser->processes.erase(
           chrome_browser->processes.begin() + index);
       index--;
     }
   }
 
   OnDetailsAvailable();
 }