File: metrics_navigation_throttle.cc

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// Copyright 2016 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.

#include "chrome/browser/page_load_metrics/metrics_navigation_throttle.h"

#include "base/memory/ptr_util.h"
#include "chrome/browser/page_load_metrics/metrics_web_contents_observer.h"
#include "content/public/browser/navigation_handle.h"

namespace page_load_metrics {

// static
std::unique_ptr<content::NavigationThrottle> MetricsNavigationThrottle::Create(
    content::NavigationHandle* handle) {
  return base::WrapUnique(new MetricsNavigationThrottle(handle));
}

MetricsNavigationThrottle::~MetricsNavigationThrottle() {}

content::NavigationThrottle::ThrottleCheckResult
MetricsNavigationThrottle::WillStartRequest() {
  MetricsWebContentsObserver* observer =
      MetricsWebContentsObserver::FromWebContents(
          navigation_handle()->GetWebContents());
  if (observer)
    observer->WillStartNavigationRequest(navigation_handle());
  return content::NavigationThrottle::PROCEED;
}

content::NavigationThrottle::ThrottleCheckResult
MetricsNavigationThrottle::WillProcessResponse() {
  MetricsWebContentsObserver* observer =
      MetricsWebContentsObserver::FromWebContents(
          navigation_handle()->GetWebContents());
  if (observer)
    observer->WillProcessNavigationResponse(navigation_handle());
  return content::NavigationThrottle::PROCEED;
}

MetricsNavigationThrottle::MetricsNavigationThrottle(
    content::NavigationHandle* handle)
    : content::NavigationThrottle(handle) {}

}  // namespace page_load_metrics