Extract ProcessManager from ExtensionSystem.

chrome/browser/extensions/api/management/management_api_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/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/management/management_api.h"
 #include "chrome/browser/extensions/api/management/management_api_constants.h"
@@ skipping 15 matching lines @@
 
 namespace keys = extension_management_api_constants;
 namespace util = extension_function_test_utils;
 
 namespace extensions {
 
 class ExtensionManagementApiBrowserTest : public ExtensionBrowserTest {
  protected:
   bool CrashEnabledExtension(const std::string& extension_id) {
     ExtensionHost* background_host =
-        ExtensionSystem::Get(browser()->profile())->
-            process_manager()->GetBackgroundHostForExtension(extension_id);
+        ProcessManager::Get(browser()->profile())
+            ->GetBackgroundHostForExtension(extension_id);
     if (!background_host)
       return false;
     content::CrashTab(background_host->host_contents());
     return true;
   }
 };
 
 // We test this here instead of in an ExtensionApiTest because normal extensions
 // are not allowed to call the install function.
 IN_PROC_BROWSER_TEST_F(ExtensionManagementApiBrowserTest, InstallEvent) {
@@ skipping 268 matching lines @@
   // extension should be reloaded and enabled.
   ASSERT_TRUE(CrashEnabledExtension(kId));
   SetEnabled(false, true, std::string());
   SetEnabled(true, true, std::string());
   const Extension* extension = ExtensionSystem::Get(browser()->profile())
       ->extension_service()->GetExtensionById(kId, false);
   EXPECT_TRUE(extension);
 }
 
 }  // namespace extensions