Add additional metrics for subresource filtering.

chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h

Index: chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h
diff --git a/chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h b/chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h
index ebc9b3cc63d6677e10f746e42fad159327362175..c9580cf1a1d6862ae2769fa0350729515ea1ccba 100644
--- a/chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h
+++ b/chrome/browser/page_load_metrics/observers/subresource_filter_metrics_observer.h
@@ -22,9 +22,27 @@ extern const char kHistogramSubresourceFilterTotalBytes[];
 extern const char kHistogramSubresourceFilterNetworkBytes[];
 extern const char kHistogramSubresourceFilterCacheBytes[];
 
+extern const char kHistogramSubresourceFilterMediaTotalResources[];
+extern const char kHistogramSubresourceFilterMediaNetworkResources[];
+extern const char kHistogramSubresourceFilterMediaCacheResources[];
+extern const char kHistogramSubresourceFilterMediaTotalBytes[];
+extern const char kHistogramSubresourceFilterMediaNetworkBytes[];
+extern const char kHistogramSubresourceFilterMediaCacheBytes[];
+
 extern const char kHistogramSubresourceFilterDomContentLoaded[];
 extern const char kHistogramSubresourceFilterLoad[];
 
+extern const char kHistogramSubresourceFilterParseDuration[];
+extern const char kHistogramSubresourceFilterParseBlockedOnScriptLoad[];
+extern const char
+    kHistogramSubresourceFilterParseBlockedOnScriptLoadDocumentWrite[];
+extern const char kHistogramSubresourceFilterParseBlockedOnScriptExecution[];
+extern const char
+    kHistogramSubresourceFilterParseBlockedOnScriptExecutionDocumentWrite[];
+
+extern const char kHistogramSubresourceFilterForegroundDuration[];
+extern const char kHistogramSubresourceFilterForegroundDurationAfterPaint[];
+
 extern const char kHistogramSubresourceFilterCount[];
 
 extern const char kHistogramSubresourceFilterActivationDecision[];
@@ -47,6 +65,8 @@ class SubresourceFilterMetricsObserver
                   const page_load_metrics::PageLoadExtraInfo& info) override;
   void OnLoadedResource(
       const page_load_metrics::ExtraRequestInfo& extra_request_info) override;
+  void OnParseStop(const page_load_metrics::PageLoadTiming& timing,
+                   const page_load_metrics::PageLoadExtraInfo& info) override;
   void OnFirstContentfulPaint(
       const page_load_metrics::PageLoadTiming& timing,
       const page_load_metrics::PageLoadExtraInfo& info) override;
@@ -61,10 +81,14 @@ class SubresourceFilterMetricsObserver
       const page_load_metrics::PageLoadExtraInfo& extra_info) override;
   void OnLoadingBehaviorObserved(
       const page_load_metrics::PageLoadExtraInfo& extra_info) override;
+  void MediaStartedPlaying(
+      const content::WebContentsObserver::MediaPlayerInfo& video_type,
+      bool is_in_main_frame) override;
 
  private:
   void OnGoingAway(const page_load_metrics::PageLoadTiming& timing,
-                   const page_load_metrics::PageLoadExtraInfo& info);
+                   const page_load_metrics::PageLoadExtraInfo& info,
+                   base::TimeTicks app_background_time);
 
   int64_t network_bytes_ = 0;
   int64_t cache_bytes_ = 0;
@@ -73,6 +97,7 @@ class SubresourceFilterMetricsObserver
   int num_cache_resources_ = 0;
 
   bool subresource_filter_observed_ = false;
+  bool played_media_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(SubresourceFilterMetricsObserver);
 };