Remove unused method in AdsPageLoadMetricsObserver Class

Remove unused method RecordAdFrameUkm from
AdsPageLoadMetricsObserver class.

Bug: 985934
Change-Id: Ib612423fa90f87e9b73297037d7faa3b448f7d15
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1725132
Commit-Queue: John Delaney <johnidel@chromium.org>
Reviewed-by: John Delaney <johnidel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#682306}

AUTHORS

@@ -892,6 +892,7 @@ Swarali Raut <swarali.sr@samsung.com>
 Swati Jaiswal <swa.jaiswal@samsung.com>
 Sylvain Zimmer <sylvinus@gmail.com>
 Sylvestre Ledru <sylvestre.ledru@gmail.com>
+Synthia Islam <synthia.is@samsung.com>
 Szabolcs David <davidsz@inf.u-szeged.hu>
 Szymon Piechowicz <szymonpiechowicz@o2.pl>
 Taeheon Kim <skyrabbits1@gmail.com>

chrome/browser/page_load_metrics/observers/ad_metrics/ads_page_load_metrics_observer.cc

@@ -511,11 +511,6 @@ void AdsPageLoadMetricsObserver::ProcessResourceForFrame(
     ancestor_data->AdjustAdBytes(unaccounted_ad_bytes, mime_type);
 }
 
-void AdsPageLoadMetricsObserver::RecordAdFrameUkm(ukm::SourceId source_id) {
-  for (const FrameData& ad_frame_data : ad_frames_data_storage_)
-    ad_frame_data.RecordAdFrameLoadUkmEvent(source_id);
-}
-
 void AdsPageLoadMetricsObserver::RecordPageResourceTotalHistograms(
     ukm::SourceId source_id) {
   // Only records histograms on pages that have some ad bytes.

chrome/browser/page_load_metrics/observers/ad_metrics/ads_page_load_metrics_observer.h

@@ -135,7 +135,6 @@ class AdsPageLoadMetricsObserver
       int process_id,
       const page_load_metrics::mojom::ResourceDataUpdatePtr& resource);
 
-  void RecordAdFrameUkm(ukm::SourceId source_id);
   void RecordPageResourceTotalHistograms(ukm::SourceId source_id);
   void RecordHistograms(ukm::SourceId source_id);
   void RecordAggregateHistogramsForAdTagging(