Add "AllArticles" mode to Reader Mode heuristics

chrome/browser/about_flags.cc

 // 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 321 matching lines @@
      switches::kReaderModeHeuristics,
      switches::reader_mode_heuristics::kOGArticle},
     {flag_descriptions::kReaderModeHeuristicsAdaboost,
      switches::kReaderModeHeuristics,
      switches::reader_mode_heuristics::kAdaBoost},
     {flag_descriptions::kReaderModeHeuristicsAlwaysOn,
      switches::kReaderModeHeuristics,
      switches::reader_mode_heuristics::kAlwaysTrue},
     {flag_descriptions::kReaderModeHeuristicsAlwaysOff,
      switches::kReaderModeHeuristics, switches::reader_mode_heuristics::kNone},
+    {flag_descriptions::kReaderModeHeuristicsAllArticles,
+     switches::kReaderModeHeuristics,
+     switches::reader_mode_heuristics::kAllArticles},
 };
 
 const FeatureEntry::Choice kChromeHomeSwipeLogicChoices[] = {
     {flags_ui::kGenericExperimentChoiceDefault, "", ""},
     {flag_descriptions::kChromeHomeSwipeLogicRestrictArea,
      switches::kChromeHomeSwipeLogicType, "restrict-area"},
     {flag_descriptions::kChromeHomeSwipeLogicButtonOnly,
      switches::kChromeHomeSwipeLogicType, "button-only"},
 };
 
@@ skipping 2910 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags