[Page Load Metrics] Add mojom file to page load metrics.

chrome/browser/page_load_metrics/page_load_tracker.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_PAGE_LOAD_METRICS_PAGE_LOAD_TRACKER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_TRACKER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 201 matching lines @@
   void OnInputEvent(const blink::WebInputEvent& event);
 
   // Flush any buffered metrics, as part of the metrics subsystem persisting
   // metrics as the application goes into the background. The application may be
   // killed at any time after this method is invoked without further
   // notification.
   void FlushMetricsOnAppEnterBackground();
 
   void NotifyClientRedirectTo(const PageLoadTracker& destination);
 
-  void UpdateTiming(const PageLoadTiming& timing,
-                    const PageLoadMetadata& metadata);
+  void UpdateTiming(const mojom::PageLoadTiming& timing,
+                    const mojom::PageLoadMetadata& metadata);
 
   // Update metadata for child frames. Updates for child frames arrive
   // separately from updates for the main frame, so aren't included in
   // UpdateTiming.
-  void UpdateChildFrameMetadata(const PageLoadMetadata& child_metadata);
+  void UpdateChildFrameMetadata(const mojom::PageLoadMetadata& child_metadata);
 
   void OnStartedResource(
       const ExtraRequestStartInfo& extra_request_started_info);
 
   void OnLoadedResource(
       const ExtraRequestCompleteInfo& extra_request_complete_info);
 
   // Signals that we should stop tracking metrics for the associated page load.
   // We may stop tracking a page load if it doesn't meet the criteria for
   // tracking metrics in DidFinishNavigation.
@@ skipping 129 matching lines @@
 
   base::TimeTicks page_end_time_;
 
   // We record separate metrics for events that occur after a background,
   // because metrics like layout/paint are delayed artificially
   // when they occur in the background.
   base::TimeTicks background_time_;
   base::TimeTicks foreground_time_;
   bool started_in_foreground_;
 
-  PageLoadTiming timing_;
-  PageLoadMetadata main_frame_metadata_;
-  PageLoadMetadata child_frame_metadata_;
+  mojo::StructPtr<mojom::PageLoadTiming> timing_;
+  mojom::PageLoadMetadata main_frame_metadata_;
+  mojom::PageLoadMetadata child_frame_metadata_;
 
   ui::PageTransition page_transition_;
 
   base::Optional<content::GlobalRequestID> navigation_request_id_;
 
   // Whether this page load was user initiated.
   UserInitiatedInfo user_initiated_info_;
 
   // This is a subtle member. If a provisional load A gets aborted by
   // provisional load B, which gets aborted by C that eventually commits, then
@@ skipping 11 matching lines @@
   PageLoadMetricsEmbedderInterface* const embedder_interface_;
 
   std::vector<std::unique_ptr<PageLoadMetricsObserver>> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PageLoadTracker);
 };
 
 }  // namespace page_load_metrics
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_PAGE_LOAD_TRACKER_H_