[DRAFT] Create RenderFrameHostManager.

content/browser/loader/cross_site_resource_handler.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 "content/browser/loader/cross_site_resource_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 109 matching lines @@
   // was already in progress.  Note that a swap may no longer be needed if we
   // transferred back into the original process due to a redirect.
   bool should_transfer =
       GetContentClient()->browser()->ShouldSwapProcessesForRedirect(
           info->GetContext(), request()->original_url(), request()->url());
 
   // When the --site-per-process flag is passed, we transfer processes for
   // cross-site subframe navigations.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSitePerProcess)) {
     GURL referrer(request()->referrer());
-    // We skip this for WebUI processes for now, since pages like the NTP host
-    // cross-site WebUI iframes but don't have referrers.
+    // We skip this for WebUI and NTP processes for now, since pages like
+    // Settings and the NTP host cross-site WebUI iframes but don't have
+    // referrers.  (Note: the NTP is not WebUI anymore.)
     bool is_webui_process = ChildProcessSecurityPolicyImpl::GetInstance()->
-        HasWebUIBindings(info->GetChildID());
+        HasWebUIBindings(info->GetChildID()) ||
+        request()->url().SchemeIs(chrome::kChromeUIScheme) ||
+        request()->url().SchemeIs("chrome-search");
 
     // TODO(creis): This shouldn't rely on the referrer to determine the parent
     // frame's URL.  This also doesn't work for hosted apps, due to passing NULL
     // to IsSameWebSite.  It should be possible to always send the navigation to
     // the UI thread to make a policy decision, which could let us eliminate the
     // renderer-side check in RenderViewImpl::decidePolicyForNavigation as well.
     if (info->GetResourceType() == ResourceType::SUB_FRAME &&
         !is_webui_process &&
         !SiteInstance::IsSameWebSite(NULL, request()->url(), referrer)) {
+      LOG(INFO) << "CSRH: Transferring for a cross-process subframe: " <<
+          request()->url();
       should_transfer = true;
     }
   }
 
   bool swap_needed = should_transfer ||
       CrossSiteRequestManager::GetInstance()->
           HasPendingCrossSiteRequest(info->GetChildID(), info->GetRouteID());
 
   // If this is a download, just pass the response through without doing a
   // cross-site check.  The renderer will see it is a download and abort the
@@ skipping 154 matching lines @@
 }
 
 void CrossSiteResourceHandler::ResumeIfDeferred() {
   if (did_defer_) {
     did_defer_ = false;
     controller()->Resume();
   }
 }
 
 }  // namespace content