Create a mechanism define declarative rules via the extension manifest.

chrome/browser/extensions/api/declarative/rules_registry_with_cache_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 "extensions/browser/api/declarative/rules_registry.h"
 
 // Here we test the TestRulesRegistry which is the simplest possible
 // implementation of RulesRegistryWithCache as a proxy for
 // RulesRegistryWithCache.
 
@@ skipping 202 matching lines @@
                (kRuleId == *(gotten_rules[1]->id) &&
                 kRule2Id == *(gotten_rules[0]->id)) );
 }
 
 TEST_F(RulesRegistryWithCacheTest, OnExtensionUninstalled) {
   // Prime registry.
   EXPECT_EQ("", AddRule(extension1_->id(), kRuleId));
   EXPECT_EQ("", AddRule(extension2_->id(), kRuleId));
 
   // Check that the correct rules are removed.
-  registry_->OnExtensionUninstalled(extension1_->id());
+  registry_->OnExtensionUninstalled(extension1_.get());
   EXPECT_EQ(0, GetNumberOfRules(extension1_->id()));
   EXPECT_EQ(1, GetNumberOfRules(extension2_->id()));
 }
 
 TEST_F(RulesRegistryWithCacheTest, DeclarativeRulesStored) {
   ExtensionPrefs* extension_prefs = env_.GetExtensionPrefs();
   // The value store is first created during GetExtensionService.
   TestingValueStore* store = env_.GetExtensionSystem()->value_store();
 
   const std::string event_name("testEvent");
@@ skipping 149 matching lines @@
 
   int write_count = store->write_count();
   EXPECT_EQ("", AddRule(extension1_->id(), kRuleId));
   EXPECT_EQ("", AddRule(extension2_->id(), kRule2Id));
   env_.GetExtensionSystem()->SetReady();
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(write_count + 2, store->write_count());
 }
 
 }  //  namespace extensions