Add capability to simple http server to bound Set-Cookie to URLs.

ios/web/public/test/response_providers/response_provider.h

Index: ios/web/public/test/response_providers/response_provider.h
diff --git a/ios/web/public/test/response_providers/response_provider.h b/ios/web/public/test/response_providers/response_provider.h
index 82ca5214fb5e37066db2ca96e7a7f26a1e22fcff..37b7ad7ed79ac99bd390f6aa32d063098f49bd36 100644
--- a/ios/web/public/test/response_providers/response_provider.h
+++ b/ios/web/public/test/response_providers/response_provider.h
@@ -5,6 +5,7 @@
 #ifndef IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_RESPONSE_PROVIDER_H_
 #define IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_RESPONSE_PROVIDER_H_
 
+#include <map>
 #include <string>
 
 #include "base/macros.h"
@@ -53,10 +54,11 @@ class ResponseProvider {
   // Gets default response headers with a text/html content type and a 200
   // response code.
   static scoped_refptr<net::HttpResponseHeaders> GetDefaultResponseHeaders();
-  // Gets default response headers with a text/html content type and a 200
-  // response code.
-  static scoped_refptr<net::HttpResponseHeaders> GetDefaultResponseHeaders(
-      const std::string& cookie);
+  // Gets a map of response headers with a text/html content type, a 200
+  // response code and Set-Cookie in headers.
+  static std::map<GURL, scoped_refptr<net::HttpResponseHeaders>>
+  GetDefaultResponseHeaders(
+      const std::map<GURL, std::pair<std::string, std::string>>& responses);
   // Gets configurable response headers with a provided content type and a
   // 200 response code.
   static scoped_refptr<net::HttpResponseHeaders> GetResponseHeaders(