Headless: Strip X-DevTools-Emulate-Network-Conditions-Client-Id

headless/lib/browser/headless_network_delegate.h

Index: headless/lib/browser/headless_network_delegate.h
diff --git a/headless/lib/browser/headless_network_delegate.h b/headless/lib/browser/headless_network_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..5395d383098083957648becacd6c841ee729aaf9
--- /dev/null
+++ b/headless/lib/browser/headless_network_delegate.h
@@ -0,0 +1,74 @@
+// Copyright 2017 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 HEADLESS_LIB_BROWSER_HEADLESS_NETWORK_DELEGATE_H_
+#define HEADLESS_LIB_BROWSER_HEADLESS_NETWORK_DELEGATE_H_
+
+#include "base/macros.h"
+
+#include "net/base/network_delegate_impl.h"
+
+namespace headless {
+
+// We use the HeadlessNetworkDelegate to remove DevTools request headers before
+// requests are actually fetched.
+class HeadlessNetworkDelegate : public net::NetworkDelegateImpl {
+ public:
+  HeadlessNetworkDelegate();
+  ~HeadlessNetworkDelegate() override;
+
+ private:
+  int OnBeforeURLRequest(net::URLRequest* request,
+                         const net::CompletionCallback& callback,
+                         GURL* new_url) override;
+
+  int OnBeforeStartTransaction(net::URLRequest* request,
+                               const net::CompletionCallback& callback,
+                               net::HttpRequestHeaders* headers) override;
+
+  void OnStartTransaction(net::URLRequest* request,
+                          const net::HttpRequestHeaders& headers) override;
+
+  int OnHeadersReceived(
+      net::URLRequest* request,
+      const net::CompletionCallback& callback,
+      const net::HttpResponseHeaders* original_response_headers,
+      scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
+      GURL* allowed_unsafe_redirect_url) override;
+
+  void OnBeforeRedirect(net::URLRequest* request,
+                        const GURL& new_location) override;
+
+  void OnResponseStarted(net::URLRequest* request, int net_error) override;
+
+  void OnCompleted(net::URLRequest* request,
+                   bool started,
+                   int net_error) override;
+
+  void OnURLRequestDestroyed(net::URLRequest* request) override;
+
+  void OnPACScriptError(int line_number, const base::string16& error) override;
+
+  NetworkDelegate::AuthRequiredResponse OnAuthRequired(
+      net::URLRequest* request,
+      const net::AuthChallengeInfo& auth_info,
+      const AuthCallback& callback,
+      net::AuthCredentials* credentials) override;
+
+  bool OnCanGetCookies(const net::URLRequest& request,
+                       const net::CookieList& cookie_list) override;
+
+  bool OnCanSetCookie(const net::URLRequest& request,
+                      const std::string& cookie_line,
+                      net::CookieOptions* options) override;
+
+  bool OnCanAccessFile(const net::URLRequest& request,
+                       const base::FilePath& path) const override;
+
+  DISALLOW_COPY_AND_ASSIGN(HeadlessNetworkDelegate);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_LIB_BROWSER_HEADLESS_NETWORK_DELEGATE_H_