Gender-neutralize a few more comments / strings.

components/omnibox/browser/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/browser/shortcuts_provider.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 118 matching lines @@
         name, 1, 1000, 50, base::Histogram::kUmaTargetedHistogramFlag);
     counter->Add(static_cast<int>((end_time - start_time).InMilliseconds()));
   }
 }
 
 void ShortcutsProvider::DeleteMatch(const AutocompleteMatch& match) {
   // Copy the URL since deleting from |matches_| will invalidate |match|.
   GURL url(match.destination_url);
   DCHECK(url.is_valid());
 
-  // When a user deletes a match, he probably means for the URL to disappear out
-  // of history entirely. So nuke all shortcuts that map to this URL.
+  // When a user deletes a match, they probably mean for the URL to disappear
+  // out of history entirely. So nuke all shortcuts that map to this URL.
   scoped_refptr<ShortcutsBackend> backend =
       client_->GetShortcutsBackendIfExists();
   if (backend.get())  // Can be NULL in Incognito.
     backend->DeleteShortcutsWithURL(url);
 
   matches_.erase(std::remove_if(matches_.begin(), matches_.end(),
                                 DestinationURLEqualsURL(url)),
                  matches_.end());
   // NOTE: |match| is now dead!
 
@@ skipping 325 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);
 }