Move declarative api files to extensions/browser/api/declarative.

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 0eeb96389d379be804d1320a3e4e495723a30c58..c4d7de532f786ea11231db097721953b9a1634ff 100644
--- a/chrome/browser/extensions/api/chrome_extensions_api_client.cc
+++ b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/extensions/api/chrome_extensions_api_client.h"
 
 #include "base/files/file_path.h"
+#include "chrome/browser/extensions/api/declarative/rules_registry_service.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/extension_options_guest.h"
@@ -71,4 +72,12 @@ void ChromeExtensionsAPIClient::RegisterGuestViewTypes() {
   ExtensionOptionsGuest::Register();
 }
 
+scoped_refptr<RulesRegistry> ChromeExtensionsAPIClient::GetRulesRegistry(
+    content::BrowserContext* browser_context,
+    const RulesRegistry::WebViewKey& webview_key,
+    const std::string& event_name) {
+  return RulesRegistryService::Get(browser_context)->
+      GetRulesRegistry(webview_key, event_name);
+}
+
 }  // namespace extensions