Reland: chrome.webRequest support for ExtensionSettings

chrome/browser/extensions/extension_with_management_policy_apitest.h

 // 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_WITH_MANAGEMENT_POLICY_APITEST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_WITH_MANAGEMENT_POLICY_APITEST_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/extensions/extension_apitest.h"
+#include "chrome/browser/extensions/extension_management_test_util.h"
 #include "components/policy/core/common/mock_configuration_policy_provider.h"
 
+struct ManagementPolicyRequestLog {
+  std::string all_headers;
+  std::string host;
+};
+
 // The ExtensionSettings policy affects host permissions which impacts several
 // API integration tests. This class enables easy declaration of
 // ExtensionSettings policies and functions commonly used during these tests.
 class ExtensionApiTestWithManagementPolicy : public ExtensionApiTest {
  public:
   ExtensionApiTestWithManagementPolicy();
   ~ExtensionApiTestWithManagementPolicy() override;
   void SetUpInProcessBrowserTestFixture() override;
   void SetUpOnMainThread() override;
 
  protected:
   policy::MockConfigurationPolicyProvider policy_provider_;
+  bool BrowsedTo(const std::string& test_host);
+  void ClearRequestLog();
+  void MonitorRequestHandler(const net::test_server::HttpRequest& request);
+
+ private:
+  std::vector<ManagementPolicyRequestLog> request_log_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionApiTestWithManagementPolicy);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_WITH_MANAGEMENT_POLICY_APITEST_H_