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

content/browser/renderer_host/browser_render_process_host.cc

 // 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 981 matching lines @@
 void BrowserRenderProcessHost::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicy::GetInstance()->CanReadFile(id(), path))
     content::GetContentClient()->browser()->OpenItem(path);
 }
 
 void BrowserRenderProcessHost::OnSavedPageAsMHTML(int job_id, bool success) {
   content::GetContentClient()->browser()->GetMHTMLGenerationManager()->
       MHTMLGenerated(job_id, success);
 }
+
+bool BrowserRenderProcessHost::IsSuitableHost(const GURL& site_url) {

[jam, 2011/09/26 15:46:16]

it's unclear to me why you implement have this method here, and the rest in
RenderProcessHost. why not move this to RPH as well?

+  if (!RenderProcessHost::IsSuitableHost(site_url))
+    return false;
+  return content::GetContentClient()->browser()->IsSuitableHost(this, site_url);
+}