Split up ios/web:test_support.

ios/web/public/test/http_server/data_response_provider.h

Index: ios/web/public/test/http_server/data_response_provider.h
diff --git a/ios/web/public/test/response_providers/data_response_provider.h b/ios/web/public/test/http_server/data_response_provider.h
similarity index 80%
rename from ios/web/public/test/response_providers/data_response_provider.h
rename to ios/web/public/test/http_server/data_response_provider.h
index 9c32c7008ad691148744b7939c3a87cc7354e79f..d5c999b4286ca3e0b71ac54066ed304e3070377a 100644
--- a/ios/web/public/test/response_providers/data_response_provider.h
+++ b/ios/web/public/test/http_server/data_response_provider.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_DATA_RESPONSE_PROVIDER_H_
-#define IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_DATA_RESPONSE_PROVIDER_H_
+#ifndef IOS_WEB_PUBLIC_TEST_HTTP_SERVER_DATA_RESPONSE_PROVIDER_H_
+#define IOS_WEB_PUBLIC_TEST_HTTP_SERVER_DATA_RESPONSE_PROVIDER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
-#import "ios/web/public/test/response_providers/response_provider.h"
+#import "ios/web/public/test/http_server/response_provider.h"
 #include "net/http/http_response_headers.h"
 
 namespace web {
@@ -36,4 +36,4 @@ class DataResponseProvider : public ResponseProvider {
 
 }  // namespace web
 
-#endif  // IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_DATA_RESPONSE_PROVIDER_H_
+#endif  // IOS_WEB_PUBLIC_TEST_HTTP_SERVER_DATA_RESPONSE_PROVIDER_H_