Headers for resource tracking.

chrome/browser/offline_pages/background_loader_offliner.h

 // 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.
 
 #ifndef CHROME_BROWSER_OFFLINE_PAGES_BACKGROUND_LOADER_OFFLINER_H_
 #define CHROME_BROWSER_OFFLINE_PAGES_BACKGROUND_LOADER_OFFLINER_H_
 
 #include <memory>
 
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
+#include "chrome/browser/loader/resource_tracker_observer.h"
 #include "components/offline_pages/content/background_loader/background_loader_contents.h"
 #include "components/offline_pages/core/background/load_termination_listener.h"
 #include "components/offline_pages/core/background/offliner.h"
 #include "components/offline_pages/core/offline_page_types.h"
 #include "components/offline_pages/core/snapshot_controller.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace content {
 class BrowserContext;
 }  // namespace content
 
 namespace offline_pages {
 
 class OfflinerPolicy;
 class OfflinePageModel;
 
 // An Offliner implementation that attempts client-side rendering and saving
 // of an offline page. It uses the BackgroundLoader to load the page and the
 // OfflinePageModel to save it. Only one request may be active at a time.
 class BackgroundLoaderOffliner : public Offliner,
                                  public content::WebContentsObserver,
-                                 public SnapshotController::Client {
+                                 public SnapshotController::Client,
+                                 public ResourceTrackerObserver {
  public:
   BackgroundLoaderOffliner(
       content::BrowserContext* browser_context,
       const OfflinerPolicy* policy,
       OfflinePageModel* offline_page_model,
       std::unique_ptr<LoadTerminationListener> load_termination_listener);
   ~BackgroundLoaderOffliner() override;
 
   static BackgroundLoaderOffliner* FromWebContents(
       content::WebContents* contents);
@@ skipping 12 matching lines @@
   void RenderProcessGone(base::TerminationStatus status) override;
   void WebContentsDestroyed() override;
   void DidFinishNavigation(
       content::NavigationHandle* navigation_handle) override;
 
   // SnapshotController::Client implementation.
   void StartSnapshot() override;
 
   void SetSnapshotControllerForTest(
       std::unique_ptr<SnapshotController> controller);
-  void OnNetworkBytesChanged(int64_t bytes);
+
+  // ResourceTrackerObserver implemenation
+  void ObserveResourceTracking(ResourceTrackerObserver::ResourceDataType type,
+                               bool started) override;
+  void OnNetworkBytesChanged(int64_t bytes) override;
 
  protected:
   // Called to reset the loader.
   virtual void ResetLoader();
 
  private:
   friend class TestBackgroundLoaderOffliner;
 
   enum SaveState { NONE, SAVING, DELETE_AFTER_SAVE };
   enum PageLoadState { SUCCESS, RETRIABLE, NONRETRIABLE, DELAY_RETRY };
@@ skipping 57 matching lines @@
 
   // Callback for cancel.
   CancelCallback cancel_callback_;
 
   base::WeakPtrFactory<BackgroundLoaderOffliner> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(BackgroundLoaderOffliner);
 };
 
 }  // namespace offline_pages
 #endif  // CHROME_BROWSER_OFFLINE_PAGES_BACKGROUND_LOADER_OFFLINER_H_