Decouple RulesCacheDelegate from RulesRegistry

chrome/browser/extensions/api/declarative_content/content_rules_registry_unittest.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 "chrome/browser/extensions/api/declarative_content/content_rules_registry.h"
 
 #include <string>
 
 #include "base/test/values_test_util.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
@@ skipping 20 matching lines @@
     return registry.active_rules_;
   }
 };
 
 namespace {
 
 TEST_F(DeclarativeContentRulesRegistryTest, ActiveRulesDoesntGrow) {
   TestExtensionEnvironment env;
 
   scoped_refptr<ContentRulesRegistry> registry(
-      new ContentRulesRegistry(env.profile(), NULL /*ui_part*/));
+      new ContentRulesRegistry(env.profile(), NULL));
 
   EXPECT_EQ(0u, active_rules(*registry.get()).size());
 
   content::LoadCommittedDetails load_details;
   content::FrameNavigateParams navigate_params;
   scoped_ptr<WebContents> tab = env.MakeTab();
   registry->DidNavigateMainFrame(tab.get(), load_details, navigate_params);
   EXPECT_EQ(0u, active_rules(*registry.get()).size());
 
   // Add a rule.
@@ skipping 36 matching lines @@
   registry->Apply(tab.get(), css_selectors);
   EXPECT_EQ(1u, active_rules(*registry.get()).size());
   // Navigating the tab should erase its entry from active_rules_ if
   // it no longer matches.
   registry->DidNavigateMainFrame(tab.get(), load_details, navigate_params);
   EXPECT_EQ(0u, active_rules(*registry.get()).size());
 }
 
 }  // namespace
 }  // namespace extensions