1 files changed, 72 insertions, 0 deletions
diff --git a/chromium/chrome/browser/signin/chrome_signin_url_loader_throttle.h b/chromium/chrome/browser/signin/chrome_signin_url_loader_throttle.h
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index 00000000000..352a84291d7
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+++ b/chromium/chrome/browser/signin/chrome_signin_url_loader_throttle.h
@@ -0,0 +1,72 @@
+// Copyright 2018 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 CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_URL_LOADER_THROTTLE_H_
+#define CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_URL_LOADER_THROTTLE_H_
+
+#include "base/supports_user_data.h"
+#include "content/public/browser/web_contents.h"
+#include "net/http/http_request_headers.h"
+#include "services/network/public/mojom/fetch_api.mojom-shared.h"
+#include "third_party/blink/public/common/loader/url_loader_throttle.h"
+
+namespace signin {
+
+class HeaderModificationDelegate;
+
+// This class is used to modify the main frame request made when loading the
+// GAIA signin realm.
+class URLLoaderThrottle : public blink::URLLoaderThrottle,
+                          public base::SupportsUserData {
+ public:
+  // Creates a new throttle if |delegate| says that this request should be
+  // intercepted.
+  static std::unique_ptr<URLLoaderThrottle> MaybeCreate(
+      std::unique_ptr<HeaderModificationDelegate> delegate,
+      content::WebContents::Getter web_contents_getter);
+
+  URLLoaderThrottle(const URLLoaderThrottle&) = delete;
+  URLLoaderThrottle& operator=(const URLLoaderThrottle&) = delete;
+
+  ~URLLoaderThrottle() override;
+
+  // blink::URLLoaderThrottle
+  void WillStartRequest(network::ResourceRequest* request,
+                        bool* defer) override;
+  void WillRedirectRequest(
+      net::RedirectInfo* redirect_info,
+      const network::mojom::URLResponseHead& response_head,
+      bool* defer,
+      std::vector<std::string>* headers_to_remove,
+      net::HttpRequestHeaders* modified_headers,
+      net::HttpRequestHeaders* modified_cors_exempt_headers) override;
+  void WillProcessResponse(const GURL& response_url,
+                           network::mojom::URLResponseHead* response_head,
+                           bool* defer) override;
+
+ private:
+  class ThrottleRequestAdapter;
+  class ThrottleResponseAdapter;
+
+  URLLoaderThrottle(std::unique_ptr<HeaderModificationDelegate> delegate,
+                    content::WebContents::Getter web_contents_getter);
+
+  const std::unique_ptr<HeaderModificationDelegate> delegate_;
+  const content::WebContents::Getter web_contents_getter_;
+
+  // Information about the current request.
+  GURL request_url_;
+  GURL request_referrer_;
+  net::HttpRequestHeaders request_headers_;
+  net::HttpRequestHeaders request_cors_exempt_headers_;
+  network::mojom::RequestDestination request_destination_ =
+      network::mojom::RequestDestination::kEmpty;
+  bool request_is_fetch_like_api_ = false;
+
+  base::OnceClosure destruction_callback_;
+};
+
+}  // namespace signin
+
+#endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_URL_LOADER_THROTTLE_H_