Remove ContentRulesRegistry dependence from RulesRegistryService.

chrome/browser/extensions/api/chrome_extensions_api_client.cc

Index: chrome/browser/extensions/api/chrome_extensions_api_client.cc
diff --git a/chrome/browser/extensions/api/chrome_extensions_api_client.cc b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
index 4132234fdc669cf0fc2796dc779170a708966bc5..f7d2de73848768fc0520232d05a33338f72d1f57 100644
--- a/chrome/browser/extensions/api/chrome_extensions_api_client.cc
+++ b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
@@ -6,6 +6,7 @@
 
 #include "base/files/file_path.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
+#include "chrome/browser/extensions/api/declarative_content/content_rules_registry.h"
 #include "chrome/browser/extensions/api/storage/sync_value_store_cache.h"
 #include "chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.h"
 #include "chrome/browser/guest_view/extension_options/chrome_extension_options_guest_delegate.h"
@@ -81,4 +82,17 @@ scoped_refptr<RulesRegistry> ChromeExtensionsAPIClient::GetRulesRegistry(
       GetRulesRegistry(webview_key, event_name);
 }
 
+scoped_refptr<RulesRegistry> ChromeExtensionsAPIClient::GetContentRulesRegistry(
+    content::BrowserContext* browser_context,
+    RulesCacheDelegate* cache_delegate) const {
+  return scoped_refptr<RulesRegistry>(
+      new ContentRulesRegistry(browser_context, cache_delegate));
+}
+
+ContentRulesRegistry*
+ChromeExtensionsAPIClient::ConvertToContentRulesRegistryPtr(
+    RulesRegistry* rules_registry) const {
+  return static_cast<ContentRulesRegistry*>(rules_registry);
+}
+
 }  // namespace extensions