Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/page_load_metrics/browser/metrics_web_contents_observer.h

 // Copyright 2015 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 COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_WEB_CONTENTS_OBSERVER_H_
 #define COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_WEB_CONTENTS_OBSERVER_H_
 
 #include <map>
+#include <memory>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "components/page_load_metrics/browser/page_load_metrics_observer.h"
 #include "components/page_load_metrics/common/page_load_timing.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
@@ skipping 112 matching lines @@
   bool renderer_tracked() const { return renderer_tracked_; }
 
   int aborted_chain_size() const { return aborted_chain_size_; }
   int aborted_chain_size_same_url() const {
     return aborted_chain_size_same_url_;
   }
 
   UserAbortType abort_type() const { return abort_type_; }
   base::TimeTicks abort_time() const { return abort_time_; }
 
-  void AddObserver(scoped_ptr<PageLoadMetricsObserver> observer);
+  void AddObserver(std::unique_ptr<PageLoadMetricsObserver> observer);
 
   // If the user performs some abort-like action while we are tracking this page
   // load, notify the tracker. Note that we may not classify this as an abort if
   // we've already performed a first paint.
   void NotifyAbort(UserAbortType abort_type, base::TimeTicks timestamp);
   void UpdateAbort(UserAbortType abort_type, base::TimeTicks timestamp);
 
   // This method returns true if this page load has been aborted with type of
   // ABORT_OTHER, and the |abort_cause_time| is within a sufficiently close
   // delta to when it was aborted. Note that only provisional loads can be
@@ skipping 57 matching lines @@
   // reload will produce a long chain with the RELOAD transition.
   const int aborted_chain_size_;
 
   // This member counts consecutive provisional aborts that share a url. It will
   // always be less than or equal to |aborted_chain_size_|.
   const int aborted_chain_size_same_url_;
 
   // Interface to chrome features. Must outlive the class.
   PageLoadMetricsEmbedderInterface* const embedder_interface_;
 
-  std::vector<scoped_ptr<PageLoadMetricsObserver>> observers_;
+  std::vector<std::unique_ptr<PageLoadMetricsObserver>> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PageLoadTracker);
 };
 
 // MetricsWebContentsObserver tracks page loads and loading metrics
 // related data based on IPC messages received from a
 // MetricsRenderFrameObserver.
 class MetricsWebContentsObserver
     : public content::WebContentsObserver,
       public content::WebContentsUserData<MetricsWebContentsObserver> {
  public:
   // Note that the returned metrics is owned by the web contents.
   static MetricsWebContentsObserver* CreateForWebContents(
       content::WebContents* web_contents,
-      scoped_ptr<PageLoadMetricsEmbedderInterface> embedder_interface);
+      std::unique_ptr<PageLoadMetricsEmbedderInterface> embedder_interface);
   MetricsWebContentsObserver(
       content::WebContents* web_contents,
-      scoped_ptr<PageLoadMetricsEmbedderInterface> embedder_interface);
+      std::unique_ptr<PageLoadMetricsEmbedderInterface> embedder_interface);
   ~MetricsWebContentsObserver() override;
 
   // content::WebContentsObserver implementation:
   bool OnMessageReceived(const IPC::Message& message,
                          content::RenderFrameHost* render_frame_host) override;
   void DidStartNavigation(
       content::NavigationHandle* navigation_handle) override;
   void DidFinishNavigation(
       content::NavigationHandle* navigation_handle) override;
   void DidRedirectNavigation(
       content::NavigationHandle* navigation_handle) override;
   void NavigationStopped() override;
   void WasShown() override;
   void WasHidden() override;
   void RenderProcessGone(base::TerminationStatus status) override;
 
  private:
   friend class content::WebContentsUserData<MetricsWebContentsObserver>;
 
   // Notify all loads, provisional and committed, that we performed an action
   // that might abort them.
   void NotifyAbortAllLoads(UserAbortType abort_type);
   void NotifyAbortAllLoadsWithTimestamp(UserAbortType abort_type,
                                         base::TimeTicks timestamp);
   // Notify aborted provisional loads that a new navigation occurred. This is
   // used for more consistent attribution tracking for aborted provisional
   // loads. This method returns the provisional load that was likely aborted by
   // this navigation, to help instantiate the new PageLoadTracker.
-  scoped_ptr<PageLoadTracker> NotifyAbortedProvisionalLoadsNewNavigation(
+  std::unique_ptr<PageLoadTracker> NotifyAbortedProvisionalLoadsNewNavigation(
       content::NavigationHandle* new_navigation);
 
   void OnTimingUpdated(content::RenderFrameHost*,
                        const PageLoadTiming& timing,
                        const PageLoadMetadata& metadata);
 
   // True if the web contents is currently in the foreground.
   bool in_foreground_;
 
   // The PageLoadTrackers must be deleted before the |embedded_interface_|,
   // because they hold a pointer to the |embedder_interface_|.
-  scoped_ptr<PageLoadMetricsEmbedderInterface> embedder_interface_;
+  std::unique_ptr<PageLoadMetricsEmbedderInterface> embedder_interface_;
 
   // This map tracks all of the navigations ongoing that are not committed
   // yet. Once a navigation is committed, it moves from the map to
   // committed_load_. Note that a PageLoadTrackers NavigationHandle is only
   // valid until commit time, when we remove it from the map.
-  std::map<content::NavigationHandle*, scoped_ptr<PageLoadTracker>>
+  std::map<content::NavigationHandle*, std::unique_ptr<PageLoadTracker>>
       provisional_loads_;
 
   // Tracks aborted provisional loads for a little bit longer than usual (one
   // more navigation commit at the max), in order to better understand how the
   // navigation failed. This is because most provisional loads are destroyed and
   // vanish before we get signal about what caused the abort (new navigation,
   // stop button, etc.).
-  std::vector<scoped_ptr<PageLoadTracker>> aborted_provisional_loads_;
+  std::vector<std::unique_ptr<PageLoadTracker>> aborted_provisional_loads_;
 
-  scoped_ptr<PageLoadTracker> committed_load_;
+  std::unique_ptr<PageLoadTracker> committed_load_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserver);
 };
 
 }  // namespace page_load_metrics
 
 #endif  // COMPONENTS_PAGE_LOAD_METRICS_BROWSER_METRICS_WEB_CONTENTS_OBSERVER_H_