Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/process_management_browsertest.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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_host.h"
-#include "extensions/browser/extension_system.h"
 #include "extensions/browser/process_manager.h"
 #include "extensions/common/switches.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 using content::NavigationController;
 using content::WebContents;
 
 namespace {
 
@@ skipping 104 matching lines @@
   content::RenderProcessHost* hosted2_host =
       browser()->tab_strip_model()->GetWebContentsAt(6)->GetRenderProcessHost();
   content::RenderProcessHost* web2_host =
       browser()->tab_strip_model()->GetWebContentsAt(7)->GetRenderProcessHost();
 
   content::RenderProcessHost* second_isolated1_host =
       browser()->tab_strip_model()->GetWebContentsAt(8)->GetRenderProcessHost();
 
   // Get extension processes.
   extensions::ProcessManager* process_manager =
-      extensions::ExtensionSystem::Get(browser()->profile())->
-          process_manager();
+      extensions::ProcessManager::Get(browser()->profile());
   content::RenderProcessHost* extension1_host =
       process_manager->GetSiteInstanceForURL(extension1_url)->GetProcess();
   content::RenderProcessHost* extension2_host =
       process_manager->GetSiteInstanceForURL(extension2_url)->GetProcess();
 
   // An isolated app only shares with other instances of itself, not other
   // isolated apps or anything else.
   EXPECT_EQ(isolated1_host, second_isolated1_host);
   EXPECT_NE(isolated1_host, isolated2_host);
   EXPECT_NE(isolated1_host, ntp1_host);
@@ skipping 69 matching lines @@
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), base_url.Resolve("isolated_apps/app1/main.html"),
       CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), base_url.Resolve("api_test/management/test/basics.html"),
       CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 
   std::set<int> process_ids;
   Profile* profile = browser()->profile();
-  extensions::ProcessManager* epm = extensions::ExtensionSystem::Get(profile)->
-      process_manager();
+  extensions::ProcessManager* epm = extensions::ProcessManager::Get(profile);
   for (extensions::ProcessManager::const_iterator iter =
            epm->background_hosts().begin();
        iter != epm->background_hosts().end(); ++iter) {
     process_ids.insert((*iter)->render_process_host()->GetID());
   }
 
   // We've loaded 5 extensions with background pages, 1 extension without
   // background page, and one isolated app. We expect only 2 unique processes
   // hosting those extensions.
   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
 
   EXPECT_GE((size_t) 6, process_map->size());
   EXPECT_EQ((size_t) 2, process_ids.size());
 }