Remove dead paint flush tracking code.

content/public/renderer/document_state.h

 // Copyright (c) 2012 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 CONTENT_PUBLIC_RENDERER_DOCUMENT_STATE_H_
 #define CONTENT_PUBLIC_RENDERER_DOCUMENT_STATE_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 83 matching lines @@
   // The time that the document and all subresources finished loading.
   const base::Time& finish_load_time() const { return finish_load_time_; }
   void set_finish_load_time(const base::Time& value) {
     DCHECK(!value.is_null());
     DCHECK(finish_load_time_.is_null());
     // The following is not already set in all cases :-(
     // DCHECK(!finish_document_load_time_.is_null());
     finish_load_time_ = value;
   }
 
-  // The time that painting first happened after a new navigation.
-  const base::Time& first_paint_time() const { return first_paint_time_; }
-  void set_first_paint_time(const base::Time& value) {
-    first_paint_time_ = value;
-  }
-
-  // The time that painting first happened after the document loaded.
-  const base::Time& first_paint_after_load_time() const {
-    return first_paint_after_load_time_;
-  }
-  void set_first_paint_after_load_time(const base::Time& value) {
-    first_paint_after_load_time_ = value;
-  }
-
   // True iff the histograms for the associated frame have been dumped.
   bool load_histograms_recorded() const { return load_histograms_recorded_; }
   void set_load_histograms_recorded(bool value) {
     load_histograms_recorded_ = value;
   }
 
   bool web_timing_histograms_recorded() const {
     return web_timing_histograms_recorded_;
   }
   void set_web_timing_histograms_recorded(bool value) {
@@ skipping 57 matching lines @@
   void set_can_load_local_resources(bool can_load) {
     can_load_local_resources_ = can_load;
   }
 
  private:
   base::Time request_time_;
   base::Time start_load_time_;
   base::Time commit_load_time_;
   base::Time finish_document_load_time_;
   base::Time finish_load_time_;
-  base::Time first_paint_time_;
-  base::Time first_paint_after_load_time_;
   bool load_histograms_recorded_;
   bool web_timing_histograms_recorded_;
   bool was_fetched_via_spdy_;
   bool was_alpn_negotiated_;
   std::string alpn_negotiated_protocol_;
   bool was_alternate_protocol_available_;
   net::HttpResponseInfo::ConnectionInfo connection_info_;
 
   bool was_load_data_with_base_url_request_;
   GURL data_url_;
 
   LoadType load_type_;
 
   std::unique_ptr<NavigationState> navigation_state_;
 
   bool can_load_local_resources_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_DOCUMENT_STATE_H_