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

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/web/public/test/response_providers/response_provider.h"
 
 #include "base/strings/stringprintf.h"
 #include "net/http/http_response_headers.h"
 
 namespace web {
@@ skipping 32 matching lines @@
   return GetResponseHeaders(content_type, net::HTTP_OK);
 }
 
 // static
 scoped_refptr<net::HttpResponseHeaders>
 ResponseProvider::GetDefaultResponseHeaders() {
   return GetResponseHeaders("text/html", net::HTTP_OK);
 }
 
 // static
-scoped_refptr<net::HttpResponseHeaders>
-ResponseProvider::GetDefaultResponseHeaders(const std::string& cookie) {
-  scoped_refptr<net::HttpResponseHeaders> result = GetDefaultResponseHeaders();
-  result->AddCookie(cookie);
-  return result;
+std::map<GURL, scoped_refptr<net::HttpResponseHeaders>>
+ResponseProvider::GetDefaultResponseHeaders(
+    const std::map<GURL, std::pair<std::string, std::string>>& responses) {
+  std::map<GURL, scoped_refptr<net::HttpResponseHeaders>> headers;
+  for (const auto& pair : responses) {
+    std::string cookie = pair.second.first;
+    scoped_refptr<net::HttpResponseHeaders> result =
+        GetDefaultResponseHeaders();
+    if (!cookie.empty()) {
+      result->AddCookie(cookie);
+    }
+    headers.insert(std::make_pair(pair.first, result));
+  }
+  return headers;
 }
 
 // static
 scoped_refptr<net::HttpResponseHeaders>
 ResponseProvider::GetRedirectResponseHeaders(
     const std::string& destination,
     const net::HttpStatusCode& http_status) {
   scoped_refptr<net::HttpResponseHeaders> headers(
       GetResponseHeaders("text/html", http_status));
   headers->AddHeader("Location: " + destination);
   return headers;
 }
 
 }  // namespace web