PlzNavigate: Support ResourceTiming API

third_party/WebKit/public/platform/WebURLRequest.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 295 matching lines @@
     BLINK_PLATFORM_EXPORT double uiStartTime() const;
     BLINK_PLATFORM_EXPORT void setUiStartTime(double);
     BLINK_PLATFORM_EXPORT WebURLRequest::InputToLoadPerfMetricReportPolicy inputPerfMetricReportPolicy() const;
     BLINK_PLATFORM_EXPORT void setInputPerfMetricReportPolicy(WebURLRequest::InputToLoadPerfMetricReportPolicy);
 
     // https://mikewest.github.io/cors-rfc1918/#external-request
     BLINK_PLATFORM_EXPORT bool isExternalRequest() const;
 
     BLINK_PLATFORM_EXPORT LoadingIPCType getLoadingIPCType() const;
 
+    BLINK_PLATFORM_EXPORT void setNavigationStartTime(double);
+
 #if INSIDE_BLINK
     BLINK_PLATFORM_EXPORT ResourceRequest& toMutableResourceRequest();
     BLINK_PLATFORM_EXPORT const ResourceRequest& toResourceRequest() const;
 
 protected:
     // Permit subclasses to set arbitrary ResourceRequest pointer as
     // |m_resourceRequest|. |m_ownedResourceRequest| is not set in this case.
     BLINK_PLATFORM_EXPORT explicit WebURLRequest(ResourceRequest&);
 #endif
 
 private:
     struct ResourceRequestContainer;
 
     // If this instance owns a ResourceRequest then |m_ownedResourceRequest|
     // is non-null and |m_resourceRequest| points to the ResourceRequest
     // instance it contains.
     std::unique_ptr<ResourceRequestContainer> m_ownedResourceRequest;
 
     // Should never be null.
     ResourceRequest* m_resourceRequest;
 };
 
 } // namespace blink
 
 #endif