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

chrome/browser/extensions/api/chrome_extensions_api_client.h

Index: chrome/browser/extensions/api/chrome_extensions_api_client.h
diff --git a/chrome/browser/extensions/api/chrome_extensions_api_client.h b/chrome/browser/extensions/api/chrome_extensions_api_client.h
index 024019984b43253ea653fd41b2d299d7dbea9749..c72f211b1bb6d5bc44ff8c9d47b13dab13c22446 100644
--- a/chrome/browser/extensions/api/chrome_extensions_api_client.h
+++ b/chrome/browser/extensions/api/chrome_extensions_api_client.h
@@ -33,6 +33,10 @@ class ChromeExtensionsAPIClient : public ExtensionsAPIClient {
       CreateWebViewPermissionHelperDelegate(
           WebViewPermissionHelper* web_view_permission_helper) const OVERRIDE;
   virtual void RegisterGuestViewTypes() OVERRIDE;
+  virtual scoped_refptr<RulesRegistry> GetRulesRegistry(
+      content::BrowserContext* browser_context,
+      const RulesRegistry::WebViewKey& webview_key,
+      const std::string& event_name) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionsAPIClient);