Remove ContentRulesRegistry dependence from RulesRegistryService.

extensions/browser/api/extensions_api_client.cc

Index: extensions/browser/api/extensions_api_client.cc
diff --git a/extensions/browser/api/extensions_api_client.cc b/extensions/browser/api/extensions_api_client.cc
index 3f5ccbdef826111f9472ebe439eee7a75f8e6c4b..6f062fe16dfbf0903cfaeaca5e2a899864b85e03 100644
--- a/extensions/browser/api/extensions_api_client.cc
+++ b/extensions/browser/api/extensions_api_client.cc
@@ -62,4 +62,15 @@ scoped_refptr<RulesRegistry> ExtensionsAPIClient::GetRulesRegistry(
   return scoped_refptr<RulesRegistry>();
 }
 
+scoped_refptr<RulesRegistry> ExtensionsAPIClient::GetContentRulesRegistry(
+    content::BrowserContext* browser_context,
+    RulesCacheDelegate* cache_delegate) const {
+  return scoped_refptr<RulesRegistry>();
+}
+
+ContentRulesRegistry* ExtensionsAPIClient::ConvertToContentRulesRegistryPtr(
+    RulesRegistry* rules_registry) const {
+  return NULL;
+}
+
 }  // namespace extensions