Reland - Omnibox - Mark As Duplicates URLs that only differ by a trailing slash

components/omnibox/shortcuts_provider.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 "components/omnibox/shortcuts_provider.h"
 
 #include <algorithm>
 #include <cmath>
 #include <map>
 #include <vector>
@@ skipping 204 matching lines @@
           !input.prevent_inline_autocomplete() ||
           match.inline_autocompletion.empty();
     }
   } else {
     const size_t inline_autocomplete_offset =
         URLPrefix::GetInlineAutocompleteOffset(
             input.text(), fixed_up_input_text, true, match.fill_into_edit);
     if (inline_autocomplete_offset != base::string16::npos) {
       match.inline_autocompletion =
           match.fill_into_edit.substr(inline_autocomplete_offset);
+      match.StripLoneSlashOnInlineAutocompletion();
       match.allowed_to_be_default_match =
           !HistoryProvider::PreventInlineAutocomplete(input) ||
           match.inline_autocompletion.empty();
     }
   }
   match.EnsureUWYTIsAllowedToBeDefault(input.canonicalized_url(),
                                        client_->GetTemplateURLService());
 
   // Try to mark pieces of the contents and description as matches if they
   // appear in |input.text()|.
@@ skipping 160 matching lines @@
   const double kMaxDecaySpeedDivisor = 5.0;
   const double kNumUsesPerDecaySpeedDivisorIncrement = 5.0;
   double decay_divisor = std::min(
       kMaxDecaySpeedDivisor,
       (shortcut.number_of_hits + kNumUsesPerDecaySpeedDivisorIncrement - 1) /
           kNumUsesPerDecaySpeedDivisorIncrement);
 
   return static_cast<int>((base_score / exp(decay_exponent / decay_divisor)) +
                           0.5);
 }