Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/extension_view_host_factory.cc

 // Copyright 2013 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/extension_view_host_factory.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/extension_view_host.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 16 matching lines @@
 // appropriate SiteInstance (and therefore process) based on the URL and
 // profile.
 ExtensionViewHost* CreateViewHostForExtension(const Extension* extension,
                                               const GURL& url,
                                               Profile* profile,
                                               Browser* browser,
                                               ViewType view_type) {
   DCHECK(profile);
   // A NULL browser may only be given for dialogs.
   DCHECK(browser || view_type == VIEW_TYPE_EXTENSION_DIALOG);
-  ProcessManager* pm =
-      ExtensionSystem::Get(profile)->process_manager();
-  content::SiteInstance* site_instance = pm->GetSiteInstanceForURL(url);
+  content::SiteInstance* site_instance =
+      ProcessManager::Get(profile)->GetSiteInstanceForURL(url);
   ExtensionViewHost* host =
 #if defined(OS_MACOSX)
       new ExtensionViewHostMac(extension, site_instance, url, view_type);
 #else
       new ExtensionViewHost(extension, site_instance, url, view_type);
 #endif
   host->CreateView(browser);
   return host;
 }
 
@@ skipping 80 matching lines @@
 
 // static
 ExtensionViewHost* ExtensionViewHostFactory::CreateDialogHost(
     const GURL& url,
     Profile* profile) {
   DCHECK(profile);
   return CreateViewHost(url, profile, NULL, VIEW_TYPE_EXTENSION_DIALOG);
 }
 
 }  // namespace extensions