| // Copyright 2021 The Chromium Authors | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef COMPONENTS_PDF_BROWSER_PDF_NAVIGATION_THROTTLE_H_ | 
 | #define COMPONENTS_PDF_BROWSER_PDF_NAVIGATION_THROTTLE_H_ | 
 |  | 
 | #include <memory> | 
 |  | 
 | #include "content/public/browser/navigation_throttle.h" | 
 |  | 
 | namespace content { | 
 | class NavigationThrottleRegistry; | 
 | }  // namespace content | 
 |  | 
 | namespace pdf { | 
 |  | 
 | class PdfStreamDelegate; | 
 |  | 
 | class PdfNavigationThrottle final : public content::NavigationThrottle { | 
 |  public: | 
 |   PdfNavigationThrottle(content::NavigationThrottleRegistry& registry, | 
 |                         std::unique_ptr<PdfStreamDelegate> stream_delegate); | 
 |   PdfNavigationThrottle(const PdfNavigationThrottle&) = delete; | 
 |   PdfNavigationThrottle& operator=(const PdfNavigationThrottle&) = delete; | 
 |   ~PdfNavigationThrottle() override; | 
 |  | 
 |   // `content::NavigationThrottle`: | 
 |   const char* GetNameForLogging() override; | 
 |   ThrottleCheckResult WillProcessResponse() override; | 
 |   ThrottleCheckResult WillStartRequest() override; | 
 |  | 
 |  private: | 
 |   std::unique_ptr<PdfStreamDelegate> stream_delegate_; | 
 | }; | 
 |  | 
 | }  // namespace pdf | 
 |  | 
 | #endif  // COMPONENTS_PDF_BROWSER_PDF_NAVIGATION_THROTTLE_H_ |