Split up ios/web:test_support.

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

Index: ios/web/public/test/http_server/response_provider.h
diff --git a/ios/web/public/test/response_providers/response_provider.h b/ios/web/public/test/http_server/response_provider.h
similarity index 92%
rename from ios/web/public/test/response_providers/response_provider.h
rename to ios/web/public/test/http_server/response_provider.h
index 37b7ad7ed79ac99bd390f6aa32d063098f49bd36..d27914b3aecabc40a358068947eac51012914816 100644
--- a/ios/web/public/test/response_providers/response_provider.h
+++ b/ios/web/public/test/http_server/response_provider.h
@@ -2,8 +2,8 @@
 // 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_RESPONSE_PROVIDER_H_
-#define IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_RESPONSE_PROVIDER_H_
+#ifndef IOS_WEB_PUBLIC_TEST_HTTP_SERVER_RESPONSE_PROVIDER_H_
+#define IOS_WEB_PUBLIC_TEST_HTTP_SERVER_RESPONSE_PROVIDER_H_
 
 #include <map>
 #include <string>
@@ -75,11 +75,12 @@ class ResponseProvider {
       const net::HttpStatusCode& http_status);
 
   ResponseProvider();
-  virtual ~ResponseProvider() {};
+  virtual ~ResponseProvider() {}
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ResponseProvider);
 };
 
 }  // namspace web
 
-#endif  // IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_RESPONSE_PROVIDER_H_
+#endif  // IOS_WEB_PUBLIC_TEST_HTTP_SERVER_RESPONSE_PROVIDER_H_