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

chrome/browser/page_load_metrics/observers/no_state_prefetch_page_load_metrics_observer.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_OBSERVERS_NO_STATE_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_NO_STATE_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_
 
 #include "base/macros.h"
 #include "chrome/browser/page_load_metrics/page_load_metrics_observer.h"
 #include "url/gurl.h"
@@ skipping 28 matching lines @@
       content::WebContents* web_contents);
 
   explicit NoStatePrefetchPageLoadMetricsObserver(
       prerender::PrerenderManager* manager);
   ~NoStatePrefetchPageLoadMetricsObserver() override;
 
  private:
   // page_load_metrics::PageLoadMetricsObserver:
   ObservePolicy OnCommit(content::NavigationHandle* navigation_handle) override;
   void OnFirstContentfulPaintInPage(
-      const page_load_metrics::PageLoadTiming& timing,
+      const page_load_metrics::mojom::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& extra_info) override;
   ObservePolicy OnHidden(
-      const page_load_metrics::PageLoadTiming& timing,
+      const page_load_metrics::mojom::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& extra_info) override;
 
   bool is_no_store_;  // True if the main resource has a "no-store" HTTP header.
   bool was_hidden_;   // The page went to background while rendering.
   prerender::PrerenderManager* const prerender_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(NoStatePrefetchPageLoadMetricsObserver);
 };
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_OBSERVERS_NO_STATE_PREFETCH_PAGE_LOAD_METRICS_OBSERVER_H_