Revert "[PageLoadMetrics] Keep track of Ad Sizes on Pages"

chrome/browser/page_load_metrics/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 CHROME_BROWSER_PAGE_LOAD_METRICS_METRICS_WEB_CONTENTS_OBSERVER_H_
 #define CHROME_BROWSER_PAGE_LOAD_METRICS_METRICS_WEB_CONTENTS_OBSERVER_H_
 
 #include <map>
 #include <memory>
 #include <vector>
@@ skipping 88 matching lines @@
 
   // A resource request started on the IO thread. This method is invoked on
   // the UI thread.
   void OnRequestStarted(const content::GlobalRequestID& request_id,
                         content::ResourceType resource_type,
                         base::TimeTicks creation_time);
 
   // A resource request completed on the IO thread. This method is invoked on
   // the UI thread.
   void OnRequestComplete(
-      const GURL& url,
-      int frame_tree_node_id,
       const content::GlobalRequestID& request_id,
       content::ResourceType resource_type,
       bool was_cached,
       std::unique_ptr<data_reduction_proxy::DataReductionProxyData>
           data_reduction_proxy_data,
       int64_t raw_body_bytes,
       int64_t original_content_length,
       base::TimeTicks creation_time);
 
   // Invoked on navigations where a navigation delay was added by the
@@ skipping 91 matching lines @@
   bool has_navigated_;
 
   base::ObserverList<TestingObserver> testing_observers_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsWebContentsObserver);
 };
 
 }  // namespace page_load_metrics
 
 #endif  // CHROME_BROWSER_PAGE_LOAD_METRICS_METRICS_WEB_CONTENTS_OBSERVER_H_