Delegate decision what site instances can be rendered in what process to chrome

content/browser/renderer_host/browser_render_process_host.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 69 matching lines @@
   // ChildProcessLauncher::Client implementation.
   virtual void OnProcessLaunched();
 
   // base::WaitableEventWatcher::Delegate implementation.
   virtual void OnWaitableEventSignaled(
       base::WaitableEvent* waitable_event) OVERRIDE;
 
  private:
   friend class VisitRelayingRenderProcessHost;
 
+  virtual bool IsSuitableHost(const GURL& site_url) OVERRIDE;
+
   // Creates and adds the IO thread message filters.
   void CreateMessageFilters();
 
   // Control message handlers.
   void OnShutdownRequest();
   void OnDumpHandlesDone();
   void SuddenTerminationChanged(bool enabled);
   void OnUserMetricsRecordAction(const std::string& action);
   void OnRevealFolderInOS(const FilePath& path);
   void OnSavedPageAsMHTML(int job_id, bool success);
@@ skipping 64 matching lines @@
 
 #if defined(OS_WIN)
   // Used to wait until the renderer dies to get an accurrate exit code.
   base::WaitableEventWatcher child_process_watcher_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(BrowserRenderProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_H_