Split up ios/web:test_support.

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

 // Copyright 2015 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.
 
-#ifndef IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_
-#define IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_
+#ifndef IOS_WEB_PUBLIC_TEST_HTTP_SERVER_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_
+#define IOS_WEB_PUBLIC_TEST_HTTP_SERVER_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_
 
 #include "base/files/file_path.h"
-#import "ios/web/public/test/response_providers/response_provider.h"
+#import "ios/web/public/test/http_server/response_provider.h"
 
 class GURL;
 
 namespace web {
 
 // FileBasedMockResponseProvider tries to resolve URL as if it were a path
 // relative to |path| on the filesystem. Use |BuildTargetPath| to resolve URLs
 // to paths on the filesystem.
 class FileBasedResponseProviderImpl {
  public:
   explicit FileBasedResponseProviderImpl(const base::FilePath& path);
   virtual ~FileBasedResponseProviderImpl();
 
   // Returns true if the request's URL when converted to a path on the app
   // bundle has a file present.
   bool CanHandleRequest(const ResponseProvider::Request& request);
   // Converts |url| to a path on the app bundle. Used to resolve URLs on to the
   // app bundle.
   base::FilePath BuildTargetPath(const GURL& url);
 
  private:
   // The path according to which URLs are resolved from.
   base::FilePath path_;
 };
 }
 
-#endif  // IOS_WEB_PUBLIC_TEST_RESPONSE_PROVIDERS_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_
+#endif  // IOS_WEB_PUBLIC_TEST_HTTP_SERVER_FILE_BASED_RESPONSE_PROVIDER_IMPL_H_