chrome/browser/tracing/navigation_tracing.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_TRACING_NAVIGATION_TRACING_H_
   6 #define CHROME_BROWSER_TRACING_NAVIGATION_TRACING_H_
   7
   8 #include "content/public/browser/background_tracing_manager.h"
   9 #include "content/public/browser/web_contents_observer.h"
  10 #include "content/public/browser/web_contents_user_data.h"
  11
  12 namespace tracing {
  13
  14 void SetupNavigationTracing();
  15
  16 class NavigationTracingObserver
  17     : public content::WebContentsObserver,
  18       public content::WebContentsUserData<NavigationTracingObserver> {
  19  private:
  20   friend class content::WebContentsUserData<NavigationTracingObserver>;
  21
  22   explicit NavigationTracingObserver(content::WebContents* web_contents);
  23
  24   ~NavigationTracingObserver() override;
  25
  26   // content::WebContentsObserver implementation.
  27   void DidStartProvisionalLoadForFrame(
  28       content::RenderFrameHost* render_frame_host,
  29       const GURL& validated_url,
  30       bool is_error_page,
  31       bool is_iframe_srcdoc) override;
  32
  33   static content::BackgroundTracingManager::TriggerHandle navigation_handle;
  34
  35   DISALLOW_COPY_AND_ASSIGN(NavigationTracingObserver);
  36 };
  37
  38 }  // namespace tracing
  39
  40 #endif  // CHROME_BROWSER_TRACING_NAVIGATION_TRACING_H_