Index: chrome/browser/page_load_metrics/metrics_navigation_throttle.cc |
diff --git a/chrome/browser/page_load_metrics/metrics_navigation_throttle.cc b/chrome/browser/page_load_metrics/metrics_navigation_throttle.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..09e2f61e8a3ac324f71323ce849aed9ece1d5545 |
--- /dev/null |
+++ b/chrome/browser/page_load_metrics/metrics_navigation_throttle.cc |
@@ -0,0 +1,35 @@ |
+// 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; |
+} |
+ |
+MetricsNavigationThrottle::MetricsNavigationThrottle( |
+ content::NavigationHandle* handle) |
+ : content::NavigationThrottle(handle) {} |
+ |
+} // namespace page_load_metrics |